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{{Infobox series|italic_title=Sonic the Hedgehog}}
{{Otheruses4|the series|other uses|Sonic the Hedgehog (disambiguation)}}
{{Infobox series
|title      = ''Sonic the Hedgehog''
|image      =
<gallery>
Sonic the Hedgehog series logo.png|EN
STH JP Logo.svg|JP
</gallery>
|caption    = Logo since 2008
|creator    = [[Sonic Team]]
|original  = ''[[Sonic the Hedgehog (1991)|Sonic the Hedgehog]]'' (1991)
|owner      = [[Sega]]
|years      = 1991–present
|genre      = Various
|setting    = *[[Sonic's universe]]
**[[Earth]]
|main_chara = [[Sonic the Hedgehog]]
|main_antag = [[Doctor Eggman]]
|games      = [[Lists of games|List of games]]
|books      = [[List of printed media|Printed media list]]
|comics    = [[List of printed media|Comic book list]]
|films      =
*''[[Sonic the Hedgehog: The Movie]]''
*''[[Sonic the Hedgehog (film series)|Sonic the Hedgehog]]'' (film series)
|tv        =
*''[[Adventures of Sonic the Hedgehog]]''
*''[[Sonic the Hedgehog (TV series)|Sonic the Hedgehog]]'' (TV series)
*''[[Sonic Underground]]''
*''[[Sonic X]]''
*''[[Sonic Boom (TV series)|Sonic Boom]]''
*''[[Sonic Prime]]''
*''[[Knuckles (TV series)|Knuckles]]''
|toys      =
*Ongoing toylines
**[[Great Eastern Entertainment]] {{c|plushies}} {{c|2006–present}}
**[[Funko]] {{c|2010, 2017-present}}
**[[Lego|Lego ''Sonic the Hedgehog'']] {{c|2016, 2022-present}}
**[[Jakks Pacific]] {{c|2019-present}}
*Former toylines
**[[Tomy|TOMY]] {{c|1992-1997, 2010–2019}}
**[[ReSaurus]] {{c|1999-2000}}
**[[Toy Island]] {{c|2000, 2004-2006}}
**[[Jazwares]] {{c|2008–2013}}
|Spin-offs=*''[[Sonic Boom (series)]]''|Audio=*''[[List of songs]]''
*''[[Sonic the Hedgehog 30th Anniversary Symphony]]''
*''[[Sonic Symphony World Tour]]''}}
{{nihongo|'''''Sonic the Hedgehog'''''|ソニック・ザ・ヘッジホッグ|Sonikku za Hejjihoggu}} is a Japanese video game franchise created and owned by [[Sega]]. The franchise was created mainly by the company's Japanese developers; [[Yuji Naka]], [[Naoto Ohshima]] and [[Hirokazu Yasuhara]], to compete in entertainment, specifically the video game market. The mainline games are platformers mostly developed by [[Sonic Team]]; spin-off games, often outsourced to other studios, encompass a variety of other genres. The series also includes printed media, animations, films, and merchandise.


'''Sonic the Hedgehog''' (ソニック・ザ・ヘッジホッグ, ''Sonikku za Hejjihoggu'') is a renowned Japanese video game franchise developed and owned by [[Sega]]. Created primarily by the company’s Japanese team, including [[Yuji Naka]], [[Naoto Ohshima]], and [[Hirokazu Yasuhara]], the franchise was designed to compete in the video game market, particularly with [[Nintendo|Nintendo’s]] iconic mascot, [[Mario]]. The core games in the series are platformers, mostly developed by [[Sonic Team]], while spin-offs, typically outsourced to other studios, span a variety of genres. The franchise also includes printed media, animated series, films, and an extensive range of merchandise.
The series started in 1991 with the release of ''[[Sonic the Hedgehog (1991)|Sonic the Hedgehog]]'' on the [[Sega Mega Drive|Sega Mega Drive/Genesis]], to provide Sega with a mascot to compete with [[Nintendo]]'s [[Mario]]. The success of the game was responsible for turning Sega into a leading video game company during the early 1990s. The next few mainline games were developed by [[Sega Technical Institute]], and a number of spin-offs were released for the [[Sega Master System]] and [[Sega Game Gear|Game Gear]]. Following a hiatus during the [[Sega Saturn]] era, the first major 3D ''Sonic'' game, ''[[Sonic Adventure]]'', was released in 1998. In 2001, Sega exited the console market and shifted to third-party development, with the series being continued on Nintendo, [[Microsoft|Xbox]] and [[Sony Interactive Entertainment|PlayStation]] consoles.


The series began in ''1991'' with the release of ''Sonic the Hedgehog'' for the [[Sega Mega Drive|Sega Mega Drive/Genesis]], which provided [[Sega]] with its own mascot to rival [[Mario]]. The game's success propelled [[Sega]] to prominence as a leading video game company in the early 1990s. The subsequent mainline games were developed by the [[Sega Technical Institute]], and several spin-offs were released for the [[Sega Master System]] and [[Game Gear]]. After a hiatus during the [[Sega Saturn]] era, the franchise transitioned into 3D with ''Sonic Adventure'', released in ''1998''. In ''2001'', [[Sega]] ceased its console production and shifted to third-party development, continuing the series on [[Nintendo]], [[Xbox]], and [[PlayStation]] consoles.
The ''Sonic the Hedgehog'' series tells the story of a heroic anthropomorphic blue hedgehog named [[Sonic the Hedgehog]], who has the main ability of running at ultimately undetermined super speeds, and performing [[Spin Attack|acrobatic maneuvers of powerful spinning attacks]], to fight and stop his arch-enemy [[Doctor Eggman]], a mad scientist, who often seeks out various methods to defeat Sonic, in order to achieve his goal in taking over the world and creating a technology-overrun reality in his image. His plans are foiled by Sonic, who ongoingly defeats and thwarts the Doctor and his evil plans of ultimate victory. Occasionally, the doctor’s plans ideally involve the [[Chaos Emerald]]s, seven gemstones of infinite power. When the gemstones are obtained, the Chaos Emeralds can grant power to machines and living beings, which allow anthropomorphic organisms to attain a "[[super transformation]]", a technique Sonic often utilizes to beat his mythological adversaries. Between Sonic and Eggman, the series can be viewed as a fifty/fifty merge of fantasy and science fiction while both characters are operating on opposite sides of the societal spectrum, with Sonic living the life of a traveling nomad, while Eggman seeks to live the life of a conquering emperor.


The ''Sonic the Hedgehog'' series follows the adventures of [[Sonic]], an anthropomorphic blue hedgehog with the remarkable ability to run at superhuman speeds, and his acrobatic spinning attacks. He constantly battles his arch-nemesis, [[Doctor Eggman]], a mad scientist who seeks to take over the world and impose a tech-dominated reality. His schemes often involve the [[Chaos Emeralds]], seven mystical gemstones of limitless power. When combined, the Chaos Emeralds can transform living beings or machines, granting them incredible abilities, including Sonic’s “super transformation,” which allows him to defeat his enemies. The series blends elements of ''fantasy'' and ''science fiction'', portraying Sonic as a free-spirited traveler and Eggman as a power-hungry conqueror.
The series also features an extended cast of characters, including Sonic's best friend and sidekick [[Miles "Tails" Prower]], his rivals [[Knuckles the Echidna]] and [[Shadow the Hedgehog]], his self-proclaimed girlfriend [[Amy Rose]], and his evil robotic copy [[Metal Sonic]].


In addition to Sonic, the series features a rich cast of characters, including his loyal sidekick [[Miles "Tails" Prower]], rivals like [[Knuckles the Echidna]] and [[Shadow the Hedgehog]], his friend and self-proclaimed girlfriend [[Amy Rose]], and his robotic counterpart [[Metal Sonic]].
''Sonic the Hedgehog'' is Sega's flagship series and one of the most successful video game franchises of all time, with series sales and mobile game downloads totaling over 1.51 billion units by 2022.<ref>{{Cite web |author=[[Sega Sammy Holdings]] |date=13 October 2022 |title=Integrated Reports 2022 |url=https://www.segasammy.co.jp/english/ir/library/pdf/printing_annual/2022/ir_2022_web_all_e.pdf |format=PDF |publisher=[[Sega Sammy Holdings]] |accessdate=14 January 2023}}</ref> The [[Sonic Origins|original ''Sonic'' games]] continue to receive critical acclaim and are often listed as amongst [[Wikipedia:List of video games considered the best|the greatest of all time]]. Although the notoriety of later entries, notably [[Shadow the Hedgehog (game)|''Shadow the Hedgehog'']], [[Sonic the Hedgehog (2006)|''Sonic the Hedgehog ''(2006)]], and ''[[Sonic and the Secret Rings]]'' released within two years were met with poor reviews, ''Sonic the Hedgehog'' remains influential in the video game industry and is often referenced in popular culture.


''Sonic the Hedgehog'' is ''Sega’s flagship series'' and one of the most successful video game franchises in history, with total sales and mobile game downloads surpassing ''1.51 billion units'' by ''2022''. The original ''Sonic'' games are critically acclaimed and frequently listed among the greatest video games of all time. Despite mixed reception to later titles, such as ''Shadow the Hedgehog'', ''Sonic the Hedgehog (2006)'', and ''Sonic and the Secret Rings'', the franchise remains influential in the video game industry and continues to make an impact on popular culture.
==Logos==
{| class="wikitable" style="text-align:center" align="center"
! Logo
!Years
|-
|[[File:Sonic-the-Hedgehog-US-Logo-Black.png|150px]]
|1991 {{C|US}}
|-
|[[File:Sonic 1 EU.png|150px]]
|1991–1997 {{C|JP}}
|-
|[[File:Sonic Logo.png|150px]]
|1992-1997 {{C|US}}
|-
|[[File:STH Logo Name.svg|150px]]
|1998–present
|-
|[[File:Sonic Series Logo.png|150px]]
|2001-2004
|-
|[[File:Sonic series logo v2.png|150px]]
|2005-2007
|-
|[[File:STHLOGO09.svg|150px]]
|2008–present
|}


==Overview==
[[File:SG_modern_and_classic.png|thumb|225px|Promotional artwork of ''[[Sonic Generations]]'' with the series' namesake, Sonic, in his "Modern" (left) and "Classic" (right) designs.]]
The mainline games in the series center around conflicts between the titular protagonist and namesake, [[Sonic the Hedgehog]], and his arch-nemesis, [[Doctor Eggman|Dr. Ivo Robotnik]], better known as "Dr. Eggman". Sonic is the blue hedgehog noted for his carefree and cool attitude, capable of running at supersonic speeds and [[Spin Attack|curling into a ball]], allowing him to attack enemies.<ref name="TechnicalFiles" /><ref>{{Cite book |title=Sonic Adventure Tokyo International Forum Unveiling Booklet |date=August 22, 1998 |chapter=All Star Cast |page=6}}</ref> Dr. Eggman is a [[human]] mad scientist and Sonic's nemesis with an IQ of 300 who seeks to conquer the [[Earth|world]] to establish a totalitarian regime called the "[[Eggman Empire]]" or "[[Eggmanland]]", where all nature is replaced with machines.<ref name="TechnicalFiles" /><ref>Sora Ltd. (March 9, 2008). ''[[Super Smash Bros. Brawl]]''. [[Wii]]. [[Nintendo]]. Area/level: Trophy Hoard. "'''Eggman''' - A self-proclaimed scientific genius. Dr. Eggman sports an IQ of 300 and wants to conquer the world and build his evil empire of Eggmanland. An expert in his field, Dr. Eggman places robotics over all else in life—a reflection of his selfish personality. He doesn't know when to quit and always comes back for more no matter how many times he is defeated by Sonic."</ref><ref name="JTEE">{{Cite web|url=https://www.youtube.com/watch?v=XDe1b-NGjXk|publisher=[[Sega]]|title=Come Join the Eggman Empire!|work=YouTube|date=2 November 2017|accessdate=26 December 2021}}</ref> Being inspired by the culture of the 1990s, ''Sonic the Hedgehog'' runs on environmental themes, based on the then-growing debates between environmentalists and developers: Sonic represents "nature" and Eggman "machinery" and "development".<ref name="Realcreator">{{Cite web |url=http://www.sega.com/features/allsonic/creator/naka04.html |title=Interview with Yuji Naka: Creator of Sonic the Hedgehog |publisher=[[Sega]] |archiveurl=https://web.archive.org/web/19970605172353/www.sega.com/features/allsonic/creator/naka04.html |archivedate=June 5, 1997 |language=English |quote='''[[Yuji Naka]]''': Robotnik was created to be the opposite of Sonic, and to be the bad guy. At that time, there was opposition between "developers" and "environmentalists", and Robotnik was created to represent machinery and development.}}</ref>


[[Category:Stubs]]
Central to the franchise are the [[Chaos Emerald]]s, seven gemstones with unlimited mystical powers.<ref name="AdventureTokyoInternational">{{Cite web |author=ZedArchive |date=April 10, 2022 |title=Sonic Adventure Production Presentation At Tokyo International Forum (1998) <nowiki>[ENGLISH CC]</nowiki> |url=https://www.youtube.com/watch?v=68S3GswZ06U&t=20m10s |language=Japanese |work=YouTube |accessdate=October 7, 2022}}</ref> The Emeralds can respond to thoughts and turn them into power to cause miracles,<ref name="SonicXSilverPart2">{{Cite web|title=ソニック ＆ シルバー 後編|url=https://sonic.sega.jp/SonicChannel/special/coverstory/20211001_002683/|author=[[Sega]]|publisher=[[Sonic Channel]]|work=かべがみカバーストーリー|date=October 1, 2021|language=Japanese|archiveurl=https://web.archive.org/web/20211001084211/https://sonic.sega.jp/SonicChannel/special/coverstory/20211001_002683/|archivedate=October 1, 2021}}</ref> such as warping time and space with a technique called [[Chaos Control]],<ref name="Radical Train">[[Sonic Team]], [[Blindlight]] (November 24, 2006). ''[[Sonic the Hedgehog (2006)|Sonic the Hedgehog]]''. [[Xbox 360]]. [[Sega]]. Area/Level: [[Shadow the Hedgehog (Sonic the Hedgehog (2006))|Shadow the Hedgehog]]. "'''[[Shadow the Hedgehog|Shadow]]''': With a Chaos Emerald, I control time and space. You can't break free."</ref> energize living beings, and serve as fuel for devices including various types of weapons of mass destruction,<ref>{{Cite manual |game = Sonic the Hedgehog (1991){{!}}Sonic the Hedgehog |link = Sonic the Hedgehog (1991)/Manuals#Japanese |system = Sega Mega Drive |language = Japanese |pages = 4-5}} "The Chaos Emeralds are a super substance that give energy to all living beings. Also, though science and technology, they can be used for nuclear and laser weapons."</ref> which makes Eggman often seek them out in his plots to conquer the world.<ref name="TechnicalFiles">''[[Sonic the Hedgehog Technical Files]]''</ref> When all seven Emeralds are gathered, they can be used to initiate a "[[Super transformation]]", which bestows the user with increased innate talents, virtual invincibility, and new abilities.
 
The series is notorious for its large cast, much of which was introduced in the early games for the [[Sega Mega Drive]] and its add-ons: [[Miles "Tails" Prower]], a mechanical genius from [[West Side Island]] and Sonic's best friend, first appeared in ''[[Sonic the Hedgehog 2]]'' (1992). ''[[Sonic the Hedgehog CD]]'' (1993) introduced [[Amy Rose]], a pink hedgehog who is deeply in love with Sonic and is known for wielding her [[Piko Piko Hammer]], and [[Metal Sonic]], a robotic copy of the blue hedgehog created by Eggman to be his equal mechanical match. ''[[Sonic the Hedgehog 3]]'' (1993) marked the introduction of [[Knuckles the Echidna]], a gullible and short-tempered [[echidna]] who serves as the guardian of the [[Master Emerald]] on [[Angel Island]], a large gemstone later introduced in ''[[Sonic & Knuckles]]'' that controls the powers of the Chaos Emeralds. ''[[Knuckles' Chaotix]]'' (1995) introduced [[Team Chaotix]], a team of detectives consisting of the leader named [[Vector the Crocodile]], [[Espio the Chameleon]] and [[Charmy Bee]].
 
While developing the series' first 3D entry, ''[[Sonic Adventure]]'' (1998), [[Sonic Team]] realized that the characters' designs were unsuitable for a 3D environment.<ref name="2Dto3D">{{Cite web |author=[[Cook & Becker]] |date=April 17, 2017 |title=How Sega moved Sonic from 2D to 3D |url=https://www.polygon.com/features/2017/4/17/15099400/how-sega-moved-sonic-from-2d-to-3d |publisher=Polygon |accessdate=December 12, 2022}}</ref> Much of the cast was thus redesigned with sleeker bodies, longer limbs, and colored eyes. ''[[Sonic Generations]]'' (2011) retroactively referred to the designs prior to ''Sonic Adventure'' as "Classic", and the ones after as "Modern". Various new characters have been introduced from ''Sonic Adventure'' onwards, including [[Big the Cat]], a large cat who fishes with his best friend [[Froggy]]; [[Chaos]], an immortal mutant chao who serves as their guardian and a god of destruction who is peacefully departed to heaven with [[Tikal]]; [[Shadow the Hedgehog]], the "Ultimate Life Form" created by Eggman's grandfather [[Gerald Robotnik]] who shares Sonic's abilities and is known for harnessing [[Chaos Emerald energy]] to perform [[Chaos powers]]; [[Rouge the Bat]], a treasure hunter and spy for a fictional country called the [[United Federation]] and the military organization called [[Guardian Units of Nations|G.U.N.]]; [[Cream the Rabbit]], a kind hearted girl with a strong friendship with her [[Chao]] named [[Cheese]]; [[E-123 Omega]], a vengeful [[E-Series]] robot who turned against Eggman after feeling like he was abandoned after being deactivated and place to defend Shadow; [[Blaze the Cat]], a princess from a parallel universe called the [[Sol Dimension]] and guardian of the [[Sol Emerald|Sol Emeralds]] who posses the ability of pyrokinesis; The [[Babylon Rogues]], a group of [[Babylonians|Babylonian]] thieves that specialize in piloting [[Extreme Gear]] consisting of [[Jet the Hawk]], [[Wave the Swallow]] and [[Storm the Albatross]]; [[Silver the Hedgehog]], a white hedgehog from [[Silver's future|the future]] with [[Psychokinesis|psychokinetic]] powers; [[Orbot]] and [[Cubot]], a pair of E-series robots who serve as Eggman's henchmen; [[Infinite]], a mercenary hired by Eggman who can manipulate the power of the [[Phantom Ruby]]; [[Sage]], an artificial intelligence created by Eggman who she refers to as her father. Many of the aforementioned characters have starred in spin-offs.
 
[[File:Sonicgenerationsskysanctuaryzonescreenshots2.jpg|thumb|225px|An example of 2D ''Sonic'' gameplay, from the console/[[PC]] version of ''[[Sonic Generations]]''.]]
Two-dimensional (2D) ''Sonic'' titles are side-scrolling platform video games viewed from a side-on perspective. Their controls are fairly basic and do not deviate much from the genre standard; the selling point of the series is the incredible speed of the playable characters, who usually have the ability to run uphill, walls and even ceilings. Golden, bracelet-like [[Ring]]s are the main health system for the characters. Holding them, even one, prevents players from losing a [[life]], and gaining a hundred of them generally grants a [[1-Up]]. The games also feature various momentum-based elements, such as [[loop]]s and [[corkscrew]]s. The stages have several sequences which involve a character being thrown along preset paths with little input from the player. However, there are also numerous sections involving precise jumping between platforms and avoiding of hazards (e.g. [[Spikes (obstacle)|spikes]] and [[bottomless pit]]s), although these are more lenient than other games of its genre. The enemies are normally robots created by Dr. Eggman ("[[Badnik]]s") and are destroyed by simply [[Spin Jump|jumping]]/rolling onto them. Items and power-ups (such as [[Shield]]s and [[Power Sneakers (power-up)|bursts of speed]]) are contained in television [[monitor]]s and can be obtained by breaking them open. In most games, the levels themselves are divided in two to three "Acts", depending on the game, and are named "[[Zone]]s". [[Star Post]]s normally act as checkpoints once a life is lost (8-bit ''Sonic'' games feature a variation of the Star Posts in the form of [[Star Post#Arrow Monitor|Arrow monitors]]), which often allow access to the [[Bonus Stage]]s after getting a predetermined number of Rings. [[Goal Plate]]s usually signal the end of an Act. [[Special Stage]]s are another common feature in ''Sonic'' games, being dimensions far from the games' setting which allow the player to gain Chaos Emeralds, extra lives, and [[Continue]]s, usually entered through [[Giant Ring]]s. A boss, an enemy with much higher HP, is often fought at the end or in the middle of a Zone.
 
Three-dimensional ''Sonic'' entries do not restrict movement as much, controls are slightly more advanced, and the frequency of automated events is increased. Those games, while sharing several of the same components with their 2D counterparts, also modify some of those concepts to accommodate them into the 3D perspective; they also put a greater emphasis on the game's plot and character development.
 
==History==
===Development===
[[File:Sonic the Hedgehog (1991)(2013) introduction .gif|thumb|300px|right|Opening moments of [[Sonic the Hedgehog (1991)|''Sonic the Hedgehog'' (1991)]]; [[Sonic the Hedgehog (2013)|2013 remaster.]]]]
While several people have been involved in the creation of [[Sonic the Hedgehog]], the artist [[Naoto Ohshima]], programmer [[Yuji Naka]], and designer [[Hirokazu Yasuhara]] are generally credited with the creation of the character.
 
In April 1990, [[Sega]] requested a game capable of selling more than 1,000,000 copies; a character who could compete against [[Nintendo]]'s popular [[Mario|''Super Mario'']], and a character to ultimately replace [[Alex Kidd]] as the company's mascot. Several character designs were submitted by its AM8 research and development department. These included an armadillo (who was later developed into [[Mighty the Armadillo]]), a dog, a mustached man in pajamas (who was later used as the basis of the design of the main antagonist [[Doctor Eggman|Dr. Eggman]]) and a rabbit (who would use its extendable ears to collect objects, an idea that was later used for a separate Sega character, Ristar).<ref name="GameTap retro">{{Cite web|url=https://www.youtube.com/playlist?list=PL509CA2E3CED470C1|title=Sonic the Hedgehog GameTap Retrospective|work=YouTube|date=5 August 2012|accessdate=14 May 2018}}</ref><ref>{{Cite web|url=http://www.kafka-is-silly.net/sonicworld/angel_island_interviews/interviews/1992/sonic_1992_unknown_1.htm|title=Sega Visions Interview with Yuji Naka|date=October 1992|accessdate=28 June 2007|archiveurl=https://web.archive.org/web/20070928010746/http://www.kafka-is-silly.net/sonicworld/angel_island_interviews/interviews/1992/sonic_1992_unknown_1.htm|archivedate=28 September 2007}}</ref> Eventually, the mascot they selected was [[Naoto Ohshima]]'s submission, a spiky teal hedgehog code-named "Mr. Hedgehog", later renamed Sonic.<ref>{{cite web|url=https://twitter.com/nakayuji/status/1353259189389332480|title=Yuji Naka on Twitter|date=24 January 2021|work=Twitter|archiveurl=https://web.archive.org/web/20210124083200/https://twitter.com/nakayuji/status/1353259189389332480|archivedate=24 January 2021|language=Japanese|quote=悔しいのでもう一度挑戦しましたがもっと判らなかった感じです。「セガの看板キャラクターであるソニック。世に出る前に彼に付けられていた名前を選べ」と言う問題が判りませんでした。作った人なのにね<br>セガい共通テスト受験終了！}}</ref> Sonic's color was based on the Sega logo, his shoe buckles based on [[wikipedia:Michael Jackson|Michael Jackson]], his shoe color based on [[Santa Claus]], and his personality was inspired by future-President [[Wikipedia:Bill Clinton|Bill Clinton]]'s "get it done" attitude, who Ohshima felt embodied a modern sensibility of wanting to get things done right away, righting wrongs as they presented themselves instead of letting them linger.<ref name="GameTap retro" /><ref>{{Cite web|first=Brandon|last=Sheffield|publisher=Gamasutra|url=http://www.gamasutra.com/view/feature/4208/out_of_the_blue_naoto_ohshima_.php?page=2|title=Out of the Blue: Naoto Ohshima Speaks|accessdate=13 December 2009}}</ref><ref>{{Cite web|author=Yahoo! Playback|publisher=Yahoo|url=http://videogames.yahoo.com/events/playback/playback-94/1380785|title=Yahoo Playback #94|accessdate=13 December 2009|archiveurl=https://web.archive.org/web/20091215060432/http://videogames.yahoo.com/events/playback/playback-94/1380785|archivedate=15 December 2009}}</ref><ref>{{Cite web|first=Brian|last=Ashcraft|publisher=Kotaku|url=http://kotaku.com/5420201/sonics-shoes-inspired-by-michael-jackson|title=Sonic's Shoes Inspired by Michael Jackson|accessdate=13 December 2009}}</ref> According to Yuji Naka, Sonic's color also serves to symbolize peace, trust, and coolness (which are the attributes of Sonic's character). His trademark speed is based on ''[[Wikipedia:Super Mario Bros.|Super Mario Bros.]]'' World 1-1, with ''Sonic'' creator [[Yuji Naka]] stating in issue 260 of ''[[Wikipedia:Nintendo Power|Nintendo Power]]'' that he "always tried to get through the level as fast as [he] could," which inspired the initial concept for Sonic the Hedgehog. Sonic was created without the ability to swim because of a mistaken assumption by Yuji Naka that all hedgehogs could not do so.<ref name="videogamer swim">{{Cite web|url=http://www.videogamer.com/news/revealed_why_sonic_cant_swim.html|title=Revealed: Why Sonic can't swim|publisher=VideoGamer.com|date=February 2009|accessdate=27 February 2009}}</ref>
 
A group of fifteen people started working on ''[[Sonic the Hedgehog (1991)|Sonic the Hedgehog]]'' and renamed themselves [[Sonic Team]]. The game's soundtrack was composed by [[Masato Nakamura]] of the band [[Dreams Come True]]. Sega sponsored the group's "Wonder 3" tour, painting Sonic on the tour bus, distributing pamphlets advertising the game, and having footage of the game broadcast above stage prior to its release.<ref>{{Cite web|url=http://www.sega.com/sonic/globalsonic/post_sonicteam.php?article=nakamura|publisher=[[Sega]]|work=Sonic Central|title=Masato Nakamura interview|format=flash|accessdate=7 February 2006|archiveurl=https://web.archive.org/web/20081223022942/http://www.sega.com/sonic/globalsonic/post_sonicteam.php?article=nakamura|archivedate=23 December 2008}}</ref>
 
The original concepts from Naoto Ohshima gave Sonic fangs and presented him in a [[Sonic the Hedgehog Band|band]] with a human girlfriend named [[Madonna]]. The band couldn't be completed for the game due to time constraints<ref name="breakdancing">{{Cite web |url=http://xbox.gamespy.com/articles/654/654750p5.html |title=Sega's Yuji Naka Talks! |work=Heidi Kemps |publisher=GameSpy |date=30 September 2005 |accessdate=1 May 2015 |quote='''[[Yuji Naka]]''': But the biggest thing I remember we had that we didn't use in Sonic 1 was the break-dancing. We had this idea for the sound test. The composer for the game was one of the members of Dreams Come True, a famous Japanese band, so we wanted to do something special for the game's music. See, we wanted to have a separate sound-test screen with an animation of Sonic break-dancing while a "Sonic Band" played the game music. We were working on the images, and had enough space left on the cartridge memory for it, but once again time constraints prevented us from putting it in the program. So what should we do with that leftover space? I suddenly had an epiphany! It said to me ... "SE-GA!" It came from our TV commercials, and that became the game's startup sound. I thought it made a good impression when you heard it, right? Though to fit it in, we had to delete all the break-dancing picture data we had made up to that point. Oshima was heartbroken, since we didn't need his pictures anymore. But seriously, that sound alone took up 1/8 of the 4 megabit ROM! Ah, those were the days...}}</ref> and Yuji Naka had Madonna removed because he wanted to take Sonic in a different, less-silly direction than the ''[[Mario|Super Mario Bros.]]'' series.<ref name="Gryson">{{Cite journal |journal=Beep! Mega Drive |pages=46–48 |title=The People Making Sega's Future |url=https://mdshock.com/2021/12/28/the-people-making-segas-future/ |archiveurl=https://web.archive.org/web/20211229012806/https://mdshock.com/2021/12/28/the-people-making-segas-future/ |date=January 1993 |archivedate=29 December 2021 |quote='''Questionnaire''': To go back to the discussion of Tails, there aren’t any women in Sonic games. What about including a heroine? / '''[[Yuji Naka]]''': There's a woman in the original source material. We created a woman named Madonna, and the original plan was to have Sonic rescue her. However, that kind of silly direction didn't really fit Sonic. We wanted to go with something more orthodox. Of course, there certainly are a lot of games like that in the world, where the hero has to rescue the princess. We wanted to do something different from Mario, though, and aim for a new direction.}}</ref> However, a team from Sega of America, led by [[Madeline Schroeder]], redesigned Sonic the Hedgehog for an American audience by having [[Greg Martin]] "soften" his design. This sparked a heated issue with Sonic Team but Naka later admitted that it was probably for the best.<ref name="GameTap retro" />
 
Sonic's precise age, weight, height and other physical characteristics vary depending on the continuity in which he appears and the style in which he is drawn. In the video games, Sonic's original design by [[Naoto Ohshima]] was with short spikes, a round body, and no visible irises. Artwork featuring this design and drawn by Akira Watanabe was displayed on the package artwork for ''[[Sonic the Hedgehog (1991)|Sonic the Hedgehog]]'', and most subsequent ''Sonic'' video games featured similar designs.<ref name="sega illustrations">{{Cite book|title=Sega Video Game Illustrations|year=1994|publisher=Nippon Shuppan Hanbai (Deutschland) GmbH|isbn=3-910052-50-9}}</ref> When ''[[Sonic the Hedgehog 2]]'' for the Mega Drive appeared, Sonic's proportions changed. The original 1:2 head to height ratio changed to 1:2.5.<ref name="sega illustrations" />
 
=== Franchise===
{{main|Franchise timeline of Sonic the Hedgehog}}
 
===Games===
''[[Sonic the Hedgehog (1991)|Sonic the Hedgehog]]'', the launch title for what would become the ''Sonic'' series, was released in 1991 for the [[Sega Mega Drive|Sega Genesis/Mega Drive]] to critical acclaim and far exceeding [[Sega]]'s commercial expectations, becoming one of the best-selling games in history, and, at the time, giving a huge popularity boost for Sega, enough so that the company could directly compete with [[Nintendo]], which soon released the [https://en.wikipedia.org/wiki/Super_Nintendo_Entertainment_System Super Nintendo Entertainment System] in North America in the same year as a way of counterattack, starting the infamous company rivalry that will last throughout the decade. The game was soon ported to Sega's 8-bit platforms: the [[Sega Master System]] and the handheld [[Sega Game Gear|Game Gear]]; this version had similar Zone themes and regular enemies, but entirely different level layouts and bosses; this version notably omitted the use of the iconic [[shuttle loop]]s, and was also well-received by critics, who cited it as a decent effort in porting the original game's complex engine into the less powerful Master System/Game Gear.
 
After the first game's success, a sequel, ''[[Sonic the Hedgehog 2]]'', soon followed, introducing Sonic's then-new sidekick and best friend, [[Miles "Tails" Prower]]. Unlike the original ''Sonic the Hedgehog'', it was developed by the [[Sega Technical Institute]] rather than [[Sonic Team]]. Released in November 1992, the gameplay and story remained largely the same as the previous game: having to rescue the [[Animals|animals friends]] and defeat [[Doctor Eggman|Dr. Robotnik]]. The game also introduced a new ability for [[Sonic the Hedgehog|Sonic]] to use: the [[Spin Dash]]. While its Sega Genesis/Mega Drive iteration is more widely known, the game was first released for the Master System and Game Gear, having little to no connection with its 16-bit counterpart aside the name. ''Sonic the Hedgehog 2'' was a commercial success, and was released to critical acclaim in all of its versions. It also introduced the [[super transformation]] ability, as due to the first game having only six [[Chaos Emerald|Chaos Emeralds]], a seventh was added.
 
''[[Sonic the Hedgehog CD]]'' was released the following year, and was developed by a different team in Japan that was instead headed by [[Naoto Ohshima]]. While this game was supposed to be the same as ''Sonic the Hedgehog 2'', during development, it eventually became its own project. ''Sonic the Hedgehog CD'' was released for the [[Mega CD]] (called Sega CD in North America), a special add-on for the Sega Genesis/Mega Drive; due to this, it featured higher-quality sprites and soundtrack in comparison to previous ''Sonic'' games; the latter differed between the American and European/Japanese versions of the game. It quickly became a commercial success, receiving acclaim from video game reviewers and magazines. It was later ported to [[Microsoft]] [[Personal computer|Windows]] in CD-ROM format in 1996, becoming the first ''Sonic'' title to be officially available on PC, with noticeable improvements over the original version. It introduced the soon-to-be recurring characters [[Amy Rose]], Sonic's self-proclaimed girlfriend, and [[Metal Sonic]], Sonic's deadly robotic doppelganger created by Dr. Robotnik and first true rival. This game also marked the debut of the [[Super Peel Out]] ability.
 
''[[Sonic Spinball]]'', the first spin-off title in the series, was released in 1993 for the Sega Genesis/Mega Drive, Master System and the Game Gear. It largely followed the concept of Sonic bouncing around as the ball on a giant pinball table that had been used in both ''Sonic the Hedgehog'' and ''Sonic the Hedgehog 2''. While it was commercially successful, the game received mixed reception from critics and fans alike.
 
''[[Dr. Robotnik's Mean Bean Machine]]'', the second spin-off game in the franchise, released in 1993 for the Genesis/Mega Drive, Master System, and Game Gear, was one of the few entries in the series in which Sonic did not make any appearance, not even in a cameo. The game, however, was set in the universe of ''[[Adventures of Sonic the Hedgehog]]'', the first ''Sonic'' TV show, which was produced by [[DiC Entertainment]] and featured that cartoon's version of Dr. Eggman, alongside several of his lackeys such as [[Scratch]], [[Grounder (Adventures of Sonic the Hedgehog)|Grounder]], and [[Coconuts (Adventures of Sonic the Hedgehog)|Coconuts]]. The game branched the series into the puzzle genre for the first time, and was a port for Western regions of Japan's ''Puyo Puyo'', receiving positive reception.
 
''[[SegaSonic the Hedgehog]]'', also released in 1993, was the first installment in the series to be released in [[Arcade system|arcade systems]], and introduced new characters to the series: [[Mighty the Armadillo]] and [[Ray the Flying Squirrel]]. It distinguished itself from other ''Sonic ''games at the time by presenting a isometric, pseudo-3D perspective in comparison to the traditional 2D fast-paced platforming the series was known for. It was well-received by video game magazines and got positive scores.
 
''[[Sonic the Hedgehog 3]]'', released in 1994, continued where ''Sonic the Hedgehog 2'' left, and saw Sonic and Tails venture into [[Angel Island]], after hearing unusual activity coming from the place. It introduced another character to the series: [[Knuckles the Echidna]], who, while an enemy to Sonic and Tails in this game, would become one of their best friends later on. During development, the originally planned ''Sonic the Hedgehog 3'' was split in half due to time constraints and manufacturing costs, having a direct sequel, ''[[Sonic & Knuckles]]'', released later that year, which included the leftover content from the standalone ''Sonic the Hedgehog 3'' release. The two were built on the same engine and sold well, receiving positive feedback from videogame critics. ''Sonic & Knuckles'' also included [[Lock-on technology]], which allowed the ''Sonic & Knuckles'' cartridge to be connected to an older game to the cartridge's pass-through port to unlock bonuses: If connected to ''Sonic the Hedgehog 3'', the game becomes ''[[Sonic 3 & Knuckles]]'' (which is what the developers intended to achieve with the standalone ''Sonic the Hedgehog 3'' cartridge), while if it is connected to ''Sonic the Hedgehog 2'', [[Knuckles in Sonic 2|''Knuckles the Echidna in Sonic 2'']] is unlocked, which allows players to select Knuckles as their character in ''Sonic the Hedgehog 2'', although Sonic and Tails are removed in this version; connecting the ''Sonic & Knuckles'' cartridge to any other Sega Genesis/Mega Drive cartridge, including the original ''Sonic the Hedgehog'', unlocks a full version of the [[Blue Sphere]] [[Special Stage]]. ''Sonic the Hedgehog 3'', ''Sonic & Knuckles'', and the complete ''Sonic 3 & Knuckles'' would later be ported to Windows [[PC]]s in 1997 as a compilation titled ''[[Sonic & Knuckles Collection]]''.
 
''[[Knuckles' Chaotix]]'', released in 1995 for the [[Sega 32X]] Genesis/Mega Drive add-on, saw Knuckles the Echidna in the role of protagonist instead of the titular character Sonic (who only makes a cameo in the good ending of the game alongside Tails), and introduced the team that would later be known as the [[Team Chaotix]], including [[Espio the Chameleon]], [[Vector the Crocodile]], and [[Charmy Bee]], alongside a returning Mighty the Armadillo. Similar to ''Sonic the Hedgehog CD'' years earlier, ''Knuckles' Chaotix'' featured higher-quality graphics and OST than preceding entries. While it led to be the best-selling title for the 32X, it is largely considered a commercial failure and received mixed reviews overall, with its presentation dividing critics.
 
''[[Sonic 3D Blast|Sonic 3D]]'', named ''Sonic 3D: Flickies' Island'' in Europe and Japan, and ''Sonic 3D Blast'' in North America, was released as a "swan-song" for the Sega Genesis/Mega Drive in December 1996, and was the last ''Sonic'' game released for the 16-bit console. This game, similar to ''SegaSonic the Hedgehog'', was also played from an isometric perspective. Although it shared elements with the 2D platform ''Sonic'' installments, it stood out by introducing a new gameplay mechanic, which was to collect [[Flicky|Flickies]] (one of the many animal friends that are captured regularly to power Dr. Robotnik's [[Badnik]] army) after rescuing the birds from the robots and then, as a method of progress, the player had to warp them into [[Giant Ring]]s to get through the stages. [[Sega Saturn]] and Microsoft Windows ports followed to cover the hole of the cancellation of ''[[Sonic X-treme]]''. The Saturn/PC version featured enhanced graphics and a different soundtrack, composed by [[Richard Jacques]]. While it was a commercially prosperous, ''Sonic 3D Blast'' received mixed reception from critics and fans alike, with the Sega Saturn/PC version getting slightly more positive scores. The game was developed by [[Traveller's Tales]], although Sonic Team worked on the Special Stages in the Saturn/PC version.
 
In 1997, a compilation entitled ''[[Sonic Jam]]'' was released for the Sega Saturn and [[Wikipedia:Game.com|Game.com]]. In addition to containing ''Sonic the Hedgehog'', ''Sonic the Hedgehog 2'', ''Sonic the Hedgehog 3'' and ''Sonic & Knuckles'', it also included a "Sonic World" mode. This allowed the player to control Sonic in a small 3D-world similar to [[Green Hill|Green Hill Zone]] from the original game; it contained no enemies and was mainly a means of accessing the disc's multimedia features such as BGM's, illustrations and commercials. While the original version of ''Sonic Jam'' was well-received by reviewers and performed decently in commercial terms, its Game.com counterpart was critically panned and sold extremely poorly.
 
Alongside the 16-bit games, during this time there were also several 8-bit entries developed exclusively for the Game Gear and Master System, such as ''[[Sonic Chaos]]'' in 1993, ''[[Sonic the Hedgehog Triple Trouble]]'' in 1994, and ''[[Sonic Blast]]'' in 1996/97, each with varying degrees of success and following a similar formula to their 16-bit counterparts. Unlike the Sega Genesis/Mega Drive games, these titles were developed by a different entity, [[Wikipedia:Ancient (company)|Ancient]], with Sega as the publisher.
 
Beginning with ''[[Sonic Adventure]]'' in 1998, Sonic was redesigned by [[Yuji Uekawa]] as a fifteen-year-old character with longer legs, a less spherical body, longer spikes, and emerald green-colored eyes. Further changes to the character's design were made in subsequent games, namely in [[Sonic the Hedgehog (2006)|''Sonic the Hedgehog'' (2006)]] and ''[[Sonic Unleashed]]'', adding visible fur, a more realistic design for a human world, and making him a bit lankier. Spin-off media such as [[Comic|comics]] and cartoons have featured variations on all these videogame designs, with restrictions set by the standardized model sheets.
 
To create unique ''Sonic'' products in various markets, Sega initially developed two major regional backstories for the instruction booklets; the original Japanese version and a localized version for most other regions, which was the version built upon by the [[Archie Comics]], the ''[[Sonic the Hedgehog (TV series)|Sonic the Hedgehog]]'' television series, and other media. While sometimes the storyline would have minute differences, other times the storyline would be very different. With the launch of the [[Sega Dreamcast]], the series' storyline took a unified approach and this practice diminished.
 
[[Image:Sonic2-big.jpg|thumb|225px|right|[[Sonic the Hedgehog|Sonic]] being chased by a giant [[orca]] in [[Emerald Coast]], as seen in ''[[Sonic Adventure]]''.]]
Although ''[[Sonic the Fighters]]'' and ''[[Sonic R]]'' were the first 3D graphic ''Sonic'' games, the true leap into 3D platforming was made with ''[[Sonic Adventure]]'', a launch title for the [[Dreamcast|Sega Dreamcast]] (Sega's last console), which resulted critical acclaim. On June 23 2001, the 10th anniversary of the US release of ''Sonic the Hedgehog'', ''[[Sonic Adventure 2]]'' was launched for the Dreamcast as the last ''Sonic'' game to release for the console. Both of the ''Adventure'' titles were later ported to the [[Nintendo GameCube]] (under the titles of ''[[Sonic Adventure DX: Director's Cut]]'' and ''[[Sonic Adventure 2 Battle]]'') when Sega ultimately dropped out of the hardware market. ''Sonic Adventure DX'' was also released on Microsoft Windows in 2003.
 
The first ''Sonic'' game to release simultaneously on multiple consoles, ''[[Sonic Heroes]]'', was released on the [[Nintendo GameCube]], [[PlayStation 2]], and [[Xbox]] in December 2003 in Japan, with American and European releases in 2004 and a PC version during the following November. The platforming was largely similar to that of the ''Adventure'' titles, although the player now controlled the lead character in a team of three characters, with the other two following closely behind. The player could switch to a new leader at any time to make use of each character's unique skills. While it was a commercial success, opinions among both reviewers and fans of the ''Sonic'' series were mostly mixed.
 
''[[Shadow the Hedgehog (game)|Shadow the Hedgehog]]'' was released in the United States in November 2005. It was commercially successful, but as with ''Sonic Heroes'', received mixed reviews from critics. Example sites such as IGN and GameSpot panned the game. ''[[Nintendo Power]]'' and GameTrailers, however, both rated it above 8 out of 10, praising the replay value. Controversies revolving around this game included the gun play and the over-use of minor profanity and the fact that Sega had decided to switch the characters' voices to the [[4Kids Entertainment]] voice actors from the English version of ''[[Sonic X]]''.
 
A highly faithful two-part port of ''Sonic the Hedgehog'' made for [[IOS|mobile]] [[Android|phones]] has been a huge hit in Europe, introducing the game to a new generation of pre-teen gamers, with respected handheld specialist Pocket Gamer awarding ''Sonic the Hedgehog Part Two'' a 9 out of 10 review score.<ref>{{Cite web|title=Sonic The Hedgehog Part 2 review|publisher=Pocket Gamer|url=http://www.pocketgamer.co.uk/r/Mobile/Sonic+The+Hedgehog+Part+Two/review.asp?c=1564|accessdate=23 September 2006}}</ref>
 
===Other gameplay styles ===
The ''Sonic'' series has also seen instalments in another genres and gameplay styles aside the standard platforming it is known for. The first of these was the already mentioned ''[[Sonic Spinball]]'' and its [[Sonic Spinball (8-bit)|8-bit counterpart]], soon followed by ''[[Dr. Robotnik's Mean Bean Machine]]'' and its [[Dr. Robotnik's Mean Bean Machine (8-bit)|8-bit counterpart]], in 1993.
 
Several racing games starring ''Sonic'' characters have been developed. In ''[[Sonic Drift]]'' and its sequel [[Sonic Drift 2]], characters drive go-karts around a flat course, reminiscent of ''[[wikipedia:Super Mario Kart|Super Mario Kart]]''. In ''[[Sonic R]]'' (1998), most characters ran on foot (though Eggman rides in his [[Egg Mobile]] and Amy drives her car), while in the [[Sonic Riders series|''Sonic Riders'' series]] (2006), they race on hoverboards known as "[[Extreme Gear]]." With games such as ''[[Sonic & Sega All-Stars Racing]]'', ''Sonic'' characters returned to racing in vehicles, alongside other [[Sega]] characters.
 
''[[Sonic Shuffle]]'' was a virtual board game/party game for the Sega Dreamcast. Edutainment video games starring Sonic and Tails have also been released, such as ''[[Sonic the Hedgehog's Gameworld]]'' and ''[[Tails and the Music Maker]]'' for the [[Sega Pico]], and the PC title ''[[Sonic's Schoolhouse]]''.
 
A fighting game, named ''[[Sonic the Fighters]]'', was released in 1996 for [[Arcade system|arcade systems]], and later a hybrid, called ''[[Sonic Battle]]'', was released in 2003 in Japan and 2004 elsewhere for the [[Game Boy Advance]].
 
In 2005, ''[[Shadow the Hedgehog (game)|Shadow the Hedgehog]]'' introduced [[wikipedia:Nonlinear gameplay|nonlinear gameplay]] to the series while partly being a third-person-shooter, which was also incorporated in 2001's ''[[Sonic Adventure 2]]''. The player's decisions while playing the game would affect the story's course.
 
In 2008, ''[[Sonic Unleashed]]'' was released, which brought on a new to the series style of brawling-based combat mixed with platforming in the form of Night stages, played as ''[[Sonic the Werehog]].'' Six months later, ''[[Sonic Chronicles: The Dark Brotherhood]]'' brought Sonic into the genre of [[wikipedia:Role-playing game|role-playing games]] for the first time, mixing turn-based strategic combat and storytelling with the traditional ''Sonic'' elements.
 
''[[Sonic Frontiers]]'' ushered in [[wikipedia:Open world|open world]] gameplay in 2022, blending platforming elements into a series of "Open Zone" environments, offering players the freedom to traverse varied landscapes. Additionally, ''Sonic Frontiers'' featured an expanded combat system to enhance the overall gaming experience.
 
==Characters==
Since [[Sonic the Hedgehog|Sonic]]'s first appearance in the original ''[[Sonic the Hedgehog (1991)|Sonic the Hedgehog]]'' video game on 23 June 1991 (despite an earlier cameo in the arcade game ''Rad Mobile''), many more characters have appeared and many of them have been added to the main cast. Aside from Sonic and [[Doctor Eggman|Eggman]], these characters have garnered steady fanbases of their own since their inclusion into the franchise, whether during their time in the main series games or their participation in other narratives throughout the Sonic medias. They have received criticism for allegedly taking the gameplay focus off of Sonic in the past but regardless remain having potential in starring their own character-driven gameplay styles similar to the Mario franchise.
 
The following is a list of active characters in the present day narrative:
{| class="wikitable" style="text-align:center"
!Image
!First appearance
!Description
|-
|[[File:Sonic Art Assets DVD - Sonic The Hedgehog - 20.png|120px|link=Sonic the Hedgehog]]<br>[[Sonic the Hedgehog]]
|[[Sonic the Hedgehog (1991)|''Sonic the Hedgehog'' (16-bit)]]<br>June 1991
|Sonic is the fastest thing alive and the eponymous protagonist of the series. He possesses incredible super speed and numerous other abilities that are known to be based on breakdancing. He uses these skills to save the world from [[Doctor Eggman|Dr. Eggman]]. He is impatient, laid-back, confident, cool-headed, and always on the lookout for an adventure as well as to help anyone in need of rescuing.
|-
|[[File:Sonic Art Assets DVD - Eggman - 4.png|120px|link=Doctor Eggman]]<br>[[Doctor Eggman|Dr. Eggman]]
|[[Sonic the Hedgehog (1991)|''Sonic the Hedgehog'' (16-bit)]]<br>June 1991
|Real name Dr. Ivo Robotnik, Eggman is [[Sonic the Hedgehog|Sonic]]'s arch nemesis and the series' main villain. He is extremely intelligent, pompous, bad-tempered, egg-shaped, and has a giant red-brown mustache. Eggman is an expert in robotics with an IQ of 300 whose goal is to conquer the world and build the [[Eggman Empire]]. However, Sonic and his friends always stand in his way. In many cases, he is ironically outdone by his own plans.
|-
|[[File:Sonicchannel tails.png|120px|link=Miles "Tails" Prower]]<br>[[Miles "Tails" Prower]]
|[[Sonic the Hedgehog 2 (8-bit)|''Sonic the Hedgehog 2'' (8-bit)]]<br>October 1992
|[[Sonic the Hedgehog|Sonic]]'s best friend. He is a young two-tailed fox who can [[Propeller Flying|fly]] for a limited time by spinning his tails rapidly, and has most of Sonic's abilities, including his supersonic speed. He is a skilled mechanic and often takes care of Sonic's biplane, the [[Tornado]].
|-
|[[File:Sonicchannel amy nocircle.png|120px|link=Amy Rose]]<br>[[Amy Rose]]
|''[[Sonic the Hedgehog CD]]''<br>September 1993
|A young pink hedgehog who has become [[Sonic the Hedgehog|Sonic]]'s self-appointed girlfriend, first seen in ''[[Sonic the Hedgehog CD]]''. Ever since Sonic and Amy met, she has been in love with Sonic and she now wants him to marry her. Amy is quite strong and smashes enemy forces down with her trusty [[Piko Piko Hammer]].
|-
|[[File:Sonicchannel metal.png|120px|link=Metal Sonic]]<br>[[Metal Sonic]]
|''[[Sonic the Hedgehog CD]]''<br>September 1993
|The robotic counterpart of [[Sonic the Hedgehog]], created by [[Doctor Eggman|Dr. Robotnik]] who possesses many of Sonic's abilities including his super speed. He seems to believe that he is in fact the real Sonic and that Sonic is his copy. In ''[[Sonic Heroes]]'' he betrayed his creator, and took the task of trying to achieve world domination into his own claws.
|-
|[[File:Sonic Art Assets DVD - Knuckles - 3.png|120px|link=Knuckles the Echidna]]<br>[[Knuckles the Echidna]]
| ''[[Sonic the Hedgehog 3]]''<br>February 1994
|The last living [[echidna]] and [[Sonic the Hedgehog|Sonic]]'s hotheaded friend and rival. Knuckles resides on [[Angel Island]], where he guards the [[Master Emerald]], the source of the island's ability to float in the sky. Knuckles is very strong; his spiked fists are capable of smashing through boulders as well as allowing him to [[climb]] walls. The nature of his echidna dreadlocks allows him to [[glide]] in the air for periods of time.
|-
|[[File:Sonicchannel vector nocircle.png|120px|link=Vector the Crocodile]]<br>[[File:Sonicchannel espio nocircle.png|120px|link=Espio the Chameleon]]<br>[[File:Sonic Art Assets DVD - Charmy.png|120px|link=Charmy Bee]]<br>[[Team Chaotix]]
|''[[Knuckles' Chaotix]]''<br>April 1995
| A team of misfits who have started their own [[Chaotix Detective Agency|detective agency]]. The Chaotix consists of [[Vector the Crocodile]], [[Espio the Chameleon]] and [[Charmy Bee]], with Vector being their leader. They met for the first time when they fought against [[Doctor Eggman|Dr. Robotnik]] in ''[[Knuckles' Chaotix]]'', along with [[Mighty the Armadillo]] and [[Knuckles the Echidna|Knuckles The Echidna]], both of which haven't appeared with them since.
|-
|[[File:Chao of Three.png|120px|link=Chao]]<br>[[Chao]]
|''[[Sonic Adventure]]''<br>December 1998
|Chao are a brittle, fleeting and very lovable life form with no defined evolutionary direction. They primarily inhabit clear watersides. By interacting with other living things, they can incorporate their natures and change themselves to adapt to the environment and survive. They are known for their very loving behavior.
|-
|[[File:Big 7.png|120px|link=Big the Cat]]<br>[[Big the Cat]]
| ''[[Sonic Adventure]]''<br>December 1998
|A big purple tabby cat who loves fishing. His best friend is a frog named [[Froggy]], whom he constantly keeps losing. Big lives with his buddy in a peaceful hut in the [[Mystic Ruins]].
|-
|[[File:Sonic Art Assets DVD - Shadow - 6.png|120px|link=Shadow the Hedgehog]]<br>[[Shadow the Hedgehog]]
|''[[Sonic Adventure 2]]''<br>June 2001
|Shadow is a mysterious black hedgehog resembling [[Sonic the Hedgehog|Sonic]] in appearance and skills, making him Sonic's biggest arch-rival. He is the Ultimate Life Form created by [[Gerald Robotnik]] with [[Black Doom]]'s DNA on the [[Space Colony ARK]] over five decades ago. He recently suffered from amnesia but has regained all of his memories since then. He can use [[Chaos Control]] to distort time and space.
|-
|[[File:Sonicchannel rouge nocircle.png|120px|link=Rouge the Bat]]<br>[[Rouge the Bat]]
|''[[Sonic Adventure 2]]''<br>June 2001
|Rouge is a sassy female bat treasure hunter who's goal is to make all the gems in the world hers and also works as a spy for [[Guardian Units of Nations|GUN]]. She is full of feminine charm and can be very manipulative. She is [[Knuckles the Echidna|Knuckles]]' rival.
|-
|[[File:Sonicchannel cream nocircle.png|120px|link=Cream the Rabbit]]<br>[[Cream the Rabbit]] & [[Cheese]]
|''[[Sonic Advance 2]]''<br>December 2002
| A naive young rabbit who lives with her mother, [[Vanilla the Rabbit|Vanilla]]. Cream's best friend is a [[Chao]] called [[Cheese]] (which she uses as missile). Because Cream has been brought up like a princess, she does not like being involved in other peoples' affairs. She can [[Flying|fly]] using her large ears.
|-
|[[File:E-123 Omega art 2D v2.png|120px|link=E-123 Omega]]<br>[[E-123 Omega]]
|''[[Sonic Heroes]]''<br>December 2003
|The last of the [[E-100 Series|E-100 series]] of robots created by [[Doctor Eggman|Eggman]] and seeks revenge on his master for shutting him down, not being able to realize his potential. [[Rouge the Bat|Rouge]] accidentally activated him when trying to free [[Shadow the Hedgehog|Shadow]] from Eggman's base. Since then, he has became good friends with both of them.
|-
|[[File:G-Merl.png|120px|link=Gemerl]]<br>[[Gemerl]]
|''[[Sonic Advance 3]]''<br>June 2004
|He is a robot created by [[Doctor Eggman|Dr. Eggman]] from [[Emerl]]'s data, making him an upgraded version of his predecessor. Gemerl once aided the doctor in his attempts to stop Sonic and his friends from foiling one of his plans but wound up betraying his creator to cause mayhem. After his defeat, he was reprogrammed in the image of his predecessor.
|-
|[[File:Sonicchannel blaze.png|120px|link=Blaze the Cat]]<br>[[Blaze the Cat]]
|''[[Sonic Rush]]''<br>November 2005
|A female, pyrokinetic lavender cat from a [[Sol Dimension|parallel universe]]. As guardian of the [[Sol Emerald|Sol Emeralds]], it is her duty to prevent anyone from taking them away from her. She is somewhat shy and tends to conceal her real feelings.
|-
|[[File:JetChannelNoBackground.png|120px|link=Jet the Hawk]]<br>[[File:WaveChannelNoBackground.png|120px|link=Wave the Swallow]]<br>[[File:StormChannelNoBackground.png|120px|link=Storm the Albatross]]<br>[[Babylon Rogues]]
|''[[Sonic Riders]]''<br>February 2006
|A group of professional [[Extreme Gear]] riders that searches for treasure for their benefits. The leader is [[Jet the Hawk]] who is the most talented of Extreme Gear riding, being known as the Legendary Wind Master and shares a rivalry with [[Sonic the Hedgehog|Sonic]] in speed. [[Wave the Swallow]], a brilliant and intelligent mechanic, and [[Storm the Albatross]], physically strong in arms but somewhat clumsy, follow Jet's leadership.
|-
|[[File:Sonicchannel silver.png|120px|link=Silver the Hedgehog]]<br>[[Silver the Hedgehog]]
|[[Sonic the Hedgehog (2006)|''Sonic the Hedgehog'' (2006)]]<br>November 2006
|Silver is a mysterious, white-colored hedgehog from the [[Silver's future|future]]. He traveled through time to stop [[Sonic the Hedgehog|Sonic]], who he believed to be the [[Iblis]] Trigger causing his time to be ruined. Unlike Sonic, Silver utilizes [[psychokinesis]] that allows him to lift objects with his mind and throw them at foes.
|-
|[[File:STH2D_OrbotCubot.png|120px|link=]]<br>[[Orbot]] & [[Cubot]]
|''[[Sonic Colors]]''<br>November 2010
|[[Doctor Eggman|Dr. Eggman]]'s personal aide robots, with their names based on the shapes they take: Orbot being the red, spherical one and Cubot being the yellow, compact one. Together, they are a duo who compliment off each other: Orbot is the brains and much more serious and firmer of the two, while Cubot is energetic and easy-going, at the cost of being scatterbrained. Though Orbot is more efficient and diligent to his master's orders, his spiteful sarcasm irritates the doctor easily. Cubot, on the other hand, is incompetent, but his earnestness and good-hearted nature makes him the less sardonic one of the duo.
|-
|[[File:Sticks Sonic Channel.png|120px|link=Sticks the Badger]]<br>[[Sticks the Badger]]
|''[[Sonic Boom: Rise of Lyric]]''/''[[Sonic Boom: Shattered Crystal]]''<br>November 2014
| A crazy and paranoid badger girl from the ''[[Sonic Boom (series)|Sonic Boom]]'' franchise who has appeared in a couple of ''Sonic the Hedgehog'' mainstream medias. She lives at the edge of the forest. Because she has lived in the wild since early age, Sticks is feral and without common sense. However, she is a skilled hunter and an expert at using boomerangs. She is also a good friend of [[Amy Rose|Amy]].
|-
|[[File:Sage.png|120px|link=Sage]]<br>[[Sage]]
|''[[Sonic Frontiers]]''<br>November 2022
|A mysterious girl who appears before [[Sonic the Hedgehog|Sonic]] as he travels the [[Starfall Islands]]. She warns Sonic to leave immediately, but what could be her true intent...?
|}
 
 
==Common features==
These are elements present in most ''Sonic'' video games since the series' creation.
 
===Rings===
{{main|Rings}}
 
===Giant Rings===
{{main|Giant Ring}}
A variety of the normal Rings, the '''Giant Rings''' are hidden in the games' stages and designed to be jumped through, which would transport the character to a [[Special Stage]], where the character could collect one of the [[Chaos Emerald]]s or, in certain circumstances, [[Super Emerald]]s. They were used for this purpose in ''[[Sonic the Hedgehog (1991)|Sonic the Hedgehog]]'', ''[[Sonic the Hedgehog CD]]'' and ''[[Sonic the Hedgehog 3]] [[Sonic & Knuckles|& Knuckles]]''. ''[[Sonic the Hedgehog 2]]'' used the [[Star Post]]s instead. In [[Sonic 3 & Knuckles|''Sonic 3 & Knuckles'']]'','' if all the Emeralds had already been found, these Rings would be collected as a normal one, granting 50 normal Rings each, allowing the characters to immediately tap into the power of the Chaos Emeralds (usually becoming [[Super transformation|Super]], or [[Super transformation|Hyper]] in ''Sonic 3 & Knuckles'' if the player has collected all the [[Super Emerald|Super Emeralds]] as well). Since ''[[Sonic Adventure 2]],'' they have taken the place of the old [[Goal Plate]] as the end level marker and touching it would end the stage.
 
===Shuttle loops===
{{main|Shuttle Loop}}
Shuttle loops are circular loop-de-loops of unknown origin that the player runs through as part of the main path during a stage. While the player will often be required to input quick acceleration to get through them in the 2D games, this is often not the case in 3D installments, as the character will usually be launched into them with a set speed once they get near the structure, generally not allowing to backtrack the level.
[[File:SFSBChaosEmeraldsArtwork.PNG|thumb|202x202px|The seven Chaos Emeralds, from ''[[Sonic Forces: Speed Battle]].'']]
 
===Chaos Emeralds===
{{main|Chaos Emerald}}
The '''Chaos Emeralds''' are seven emeralds with mystical powers which are a recurring feature in ''Sonic'' games. They are important in most of the games' plots, and the player is often required to collect them all to fully defeat Dr. Eggman, and achieve the games' "good endings", [[Super transformation|Super form]]s, or both. The method used to acquire the Emeralds varies from game to game in the series. Most early games require the player to find them in [[Special Stage]]s. In some games, such as ''[[Sonic R]]'' and the 8-bit versions of ''[[Sonic the Hedgehog (8-bit)|Sonic the Hedgehog]]'' and ''[[Sonic the Hedgehog 2 (8-bit)|Sonic the Hedgehog 2]]'', they can be found in hidden locations within the main levels. In later installment games, the Chaos Emeralds are usually obtained by the characters throughout the games' story modes and do not need to be "found" by the player themselves.
 
A counterpart to the Chaos Emeralds, known as the [[Sol Emerald]]s, appear in the ''Sonic Rush'' games.
 
In ''Sonic 3 & Knuckles'', it is possible for the seven Chaos Emeralds to be enhanced and possess even greater power, which they will become the [[Super Emerald|Super Emeralds]].
 
===Master Emerald ===
[[File:Master Emerald Runners.png|thumb|244x244px|The Master Emerald, from ''[[Sonic Runners]]''.]]
[[File:SonicTailsKnucklesHPZ.PNG|thumb|right|[[Doctor Eggman|Dr. Robotnik]] steals the [[Master Emerald]] to power his [[Death Egg]], from ''[[Sonic 3 & Knuckles]]''.|181x181px]]
{{main|Master Emerald}}
The '''Master Emerald''' resides in a shrine on [[Angel Island]] and is guarded by [[Knuckles the Echidna]]; it contains an infinite amount of power, much greater than the seven Chaos Emeralds themselves, and is used to keep the Angel Island afloat in the sky. This giant, powerful green Emerald also has the power to fully control everything that the Chaos Emeralds do, including the ability to negate the energy of the Chaos Emeralds, as seen in ''[[Sonic Adventure]]'' and ''[[Sonic Adventure 2]]'', or [[Super Emerald|empower]] them, as seen in ''Sonic 3 & Knuckles''. The Master Emerald can also be used to power mechanical devices, and has been coveted by Dr. Robotnik since his discovery of it. The doctor once used the Master Emerald to power the [[Death Egg]] after stealing it from Knuckles in ''Sonic 3 & Knuckles''. During Knuckles' final boss fight in said title, [[Mecha Sonic Mark II]] powers up using the Master Emerald into a [[Super Mecha Sonic Mark II|short-lived Super State]]. In earlier media, the Master Emerald was sometimes called an "eighth Chaos Emerald", but this association has been lessened in later games, making it a separate but related entity.
 
While it was featured prominently in earlier games, more recent entries have diminished the number of appearances of the Master Emerald.
 
===Special Stages===
{{main|Special Stage}}
Usually, a Chaos Emerald may be earned in a '''Special Stage''' or '''Special Zone'''. Special Stages usually take place in surreal environments and features alternate gameplay mechanics to the standard platforming of the main levels: the 16-bit ''Sonic the Hedgehog '' consisted of a giant rotating maze (which many considered a major technical achievement);<ref>{{Cite journal|date=September 2001|title=The making of... Sonic The Hedgehog|journal=[[wikipedia:Edge (magazine)|Edge]]|issue=101|pages=121|accessdate=9 February 2007|quote='''[[Yuji Naka]]''': ...the Mega Drive allowed this stunning demonstration of rotation during the bonus stages. This was said to be impossible on the hardware at the time.}}</ref> ''[[Sonic the Hedgehog 2]]'', ''[[Sonic 3D Blast]]'', ''[[Sonic Heroes]]'' and ''[[Sonic Rush]]'' featured "in your face" segments with the hedgehog running along a long tunnel, with a variant of this used for ''[[Knuckles' Chaotix]]'', ''[[Sonic Advance]]'', and ''[[Sonic Advance 3]]''; 3D "collect items" levels, as in ''[[Sonic the Hedgehog 3]]'' ''[[Sonic & Knuckles|&amp; Knuckles]]'', which used the same perspective but had Sonic collecting all the [[Blue Sphere|blue-colored orbs]] on the surface of a giant sphere and a different version, the 3D ring-collecting Special Stage, used in ''[[Sonic Advance 2]]''. ''[[Sonic Chaos]]'' (''Sonic & Tails'' in Japan) utilized a variety of gimmicks for its levels.
 
Some games include Special Stages, but not as a means of collecting Chaos Emeralds. As the Emeralds of the 8-bit version of ''Sonic the Hedgehog'' were hidden in the main stages, the game's spring-filled Special Stages were used to obtain [[1-Up]]s and [[Continue]]s. Similarly, ''[[Sonic the Hedgehog 3]] [[Sonic & Knuckles|&amp; Knuckles]]'', in addition to their main Special Stages, featured entirely optional [[Bonus Stage]]s, one of which combined the rotating maze of the 16-bit ''Sonic the Hedgehog'' with the pinball gambling of ''[[Sonic the Hedgehog 2]],'' and ''[[Sonic Heroes]]'' had an alternate Special Stage for earning lots of extra lives, very much like the one in which Chaos Emeralds are collected, but with the objective being to get to the Goal Ring before time ran out, rather than catching up to the Chaos Emerald at the end of the tunnel.
 
Just as the design of the Special Stages has changed, so has the means of accessing them. In ''Sonic 3 & Knuckles'', [[Giant Ring]]s were hidden in levels to take the player to the Stages, but most other titles involve the collection of a certain number of rings, usually fifty. In both the 8 and 16-bit versions of ''Sonic the Hedgehog'', they were reached by finishing a level with more than fifty Rings; the player would then have to jump inside the giant ring that would appear just after the goal post. In the 16-bit ''[[Sonic the Hedgehog 2]]'', reaching a Star Post when they held this number would create a warp of stars which would take a player to the Special Stage when jumped through. ''[[Sonic 3D Blast]]'' required the player to deliver rings to [[Knuckles the Echidna|Knuckles]] and [[Miles "Tails" Prower|Tails]], who could be found within each level. ''[[Sonic Chaos]]'' changed the figure, with access to a Special Stage being the reward for collecting a hundred Rings, although only when playing as Sonic.
 
===Super transformation ===
{{main|Super transformation}}
[[File:Sonic Art Assets DVD - Super Sonic - 1.png|200px|thumb|[[Super Sonic]]]]
Since the 16-bit version of ''Sonic the Hedgehog 2'', Sonic has had the ability to transform into the faster and practically invulnerable '''Super Sonic''' once all seven Chaos Emeralds are collected. After that, Super Sonic can be used in any of the following levels once fifty rings have been collected, although one ring is lost for every second Sonic remains in this empowered form.
 
In the ''Sonic Adventure'' titles, the Special Stages were omitted entirely and Chaos Emeralds were collected in non-interactive cutscenes as part of the story, with Super Sonic only appearing in the climactic final boss fight. This received criticism by many fans, who appreciated the additional replay value offered by retrying a game's Zone levels with Super Sonic's additional advantageous abilities as seen in the Sega Genesis/Mega Drive games. Despite several games since returning to the emerald-collecting of the 2D platform titles (including the ''Sonic Advance'' series, ''Sonic Heroes'', and ''Sonic Rush''), Super Sonic was again only playable at the end of the game. <!-- I don't have a source for this next line, so commenting it out until I do: When confronted with the question as to why this was, all Naka would say was "The fans like it better this way." -->
 
However, ''[[Sonic Colors]]'' and ''[[Sonic Lost World]]'' returned the ability to access a super transformation in normal levels. They were also some of the few recent games to omit a Super transformation from the final boss battle.
 
Other characters have also been able to utilize the super transformation. In ''Sonic & Knuckles'', [[Knuckles the Echidna]] could also transform into '''[[Super Knuckles]]'''. By locking-on ''Sonic & Knuckles'' to ''Sonic the Hedgehog 3'', '''[[Hyper Sonic]]''', '''[[Hyper Tails]]''' and '''[[Hyper Knuckles]]''' also become available, by collecting all seven Super Emeralds in addition to the seven Chaos Emeralds. In the collection game ''[[Sonic Origins]]'', ''[[Sonic 3 & Knuckles]]'' is only available in the locked-on form. This collection added [[Super Tails]] to the game, which is the super transformation of Tails as seen in ''Sonic Heroes''. In ''[[Sonic Adventure 2]]'', '''[[Super Shadow]]''' also appeared at the end of the Last Story, who fought alongside Super Sonic to destroy the [[Biolizard]], and he himself fought [[Black Doom]] in ''[[Shadow the Hedgehog (game)|Shadow the Hedgehog]]''. In ''[[Sonic Rush]]'' and ''[[Sonic Rush Adventure]]'', '''[[Burning Blaze]]''' appears for the extra boss, similar to the end of ''Sonic Adventure 2''. She uses the term "Burning" instead of "Super" as she uses the [[Sol Emerald]]s instead of the Chaos Emeralds. In [[Sonic the Hedgehog (2006)|''Sonic the Hedgehog'' (2006)]], '''[[Super Silver]]''' appears along with Super Sonic and Super Shadow.
 
A feature unique to Sonic is his ability to use super transformations using different sources of power other than the Chaos Emeralds, each with its own unique abilities. For ''[[Sonic and the Secret Rings]]'', Sonic used the World Rings to become '''[[Darkspine Sonic]]'''. In ''[[Sonic Unleashed]]'', Sonic had the ability to turn into '''[[Sonic the Werehog]]''' from the power of [[Dark Gaia]]. In ''[[Sonic and the Black Knight]]'', Sonic transforms into '''[[Excalibur Sonic]]''' using the power of the sacred swords. Unlike the traditional Super States, however, Sonic is not invincible in those forms. In ''[[Sonic Prime]]'', Sonic harness the [[Prism Energy]] from the [[Paradox Prism]] to transform into [[Shatter Sonic|'''Shatter Sonic''']]. In ''[[Sonic Frontiers]]'', Sonic learns to control his [[Cyber corruption]] and use it to transform into an evolved Super form named [[Super Sonic 2|'''Starfall Super Sonic''']]. He later goes all out and completely harness the Cyber corruption briefly becoming [[Super Sonic Cyber|'''Super Sonic Cyber''']].
 
==Cultural Links==
===Themes===
*[https://en.wikipedia.org/wiki/Human_impact_on_the_environment Human impact on the environment] - Central and core theme of the entire series as well as a major reoccurring point in numerous entries such as ''[[Sonic the Hedgehog (1991)|Sonic the Hedgehog]]'', ''[[Sonic the Hedgehog CD|Sonic CD]]'', ''[[Sonic Colors]]'', and ''[[Sonic Lost World]]'' as well as taking a minor role in [[Sonic Prime|''Sonic Prime'']]. This is typically depicted with [[Doctor Eggman]]'s desecration of nature in an attempt to industrialize the physical material of the world, or worlds as of ''[[Sonic Colors]]'', and the immaterial of time itself as of ''[[Sonic the Hedgehog CD|Sonic CD]]'' and [[Sonic the Hedgehog (2006)|''Sonic the Hedgehog'' (2006)]]. All in an effort to work towards a reality littered with machinery in his image.
*[https://en.wikipedia.org/wiki/Inspiration Inspiration] - The character journey of [[Miles "Tails" Prower]] in ''[[Sonic the Hedgehog 2]]''.
* [https://en.wikipedia.org/wiki/Deception Deception] - Focus of [[Knuckles the Echidna]]'s character arc in [[Sonic 3 & Knuckles]].
*[https://en.wikipedia.org/wiki/Rage_(emotion) Rage] - The focus of Chaos's character in [[Sonic Adventure|''Sonic Adventure'']]. Consumed by rage for loss of a [[Tikal|loved one]], he needed to be calmed down and brought to peace.
*[https://en.wikipedia.org/wiki/Conspiracy Conspiracy] - Focus of [[Guardian Units of Nations]] in ''[[Sonic Adventure 2]]''.
*[https://en.wikipedia.org/wiki/Grief Grief] - Main character journey for [[Shadow the Hedgehog]] in ''Sonic Adventure 2''.
*[https://en.wikipedia.org/wiki/Identity_crisis Identity Crisis] - Focal point of [[Neo Metal Sonic]]'s character in [[Sonic Heroes|''Sonic Heroes'']] and a minor character focus for Shadow the Hedgehog in his [[Shadow the Hedgehog (game)|titular entry]].
* [https://en.wikipedia.org/wiki/Teamwork Teamwork] - The main theme of ''Sonic Heroes'', heavily depicted in both gameplay and story as with the team mechanic and the various teams making up  the game.
*[https://en.wikipedia.org/wiki/Friendship Friendship] - The central theme of ''Sonic Rush'' and focus of [[Blaze the Cat]]'s character journey as she learns to open up and rely on her friends more.
*Moving on from the past - The focus of Shadow's character journey in ''[[Shadow the Hedgehog (game)|Shadow the Hedgehog]]'' as he learns to let go of [[Sonic Adventure 2|his past lifetime]] and move on as a brand new person.<!--Wikipedia link for "moving on from the past" is missing. I am unaware of the proper psychological term for it, if anyone can find a link or term that would fit, then that would be greatly appreciated!-->
 
*[https://en.wikipedia.org/wiki/Proactivity Proactivity] - The main character journey for [[Princess Elise the Third]] in ''[[Sonic the Hedgehog (2006)]]'', as she learns to take action on her problems rather than wasting her time worrying about them.
*[https://en.wikipedia.org/wiki/War War] - The main theme and central point of both ''[[Sonic Battle]]'' and ''[[Sonic Forces]]''. Notably, Sonic is typically depicted as the one to find the bright side of issues and the good in bad situations, but in Sonic Battle this point doesn't come on, as a way of conveying that there is nothing good about war.
*[https://en.wikipedia.org/wiki/Maturity_(psychological) Maturity] - The focus of [[Marine the Raccoon|Marine]]'s character journey and central thematic conflict in ''[[Sonic Rush Adventure]]''. In which, Marine learns that she is too immature to go on dangerous adventures with Sonic, and that she has some growing up to do before becoming a pirate captain.
*[https://en.wikipedia.org/wiki/Abusive_power_and_control Abusive power and control] ([https://en.wikipedia.org/wiki/Psychological_abuse psychological] and [https://en.wikipedia.org/wiki/Domestic_violence domestic]) - The character conflict and center of the relationship between [[Erazor Djinn]] and [[Shahra|Shara]] in [[Sonic and the Secret Rings|''Sonic and the Secret Rings'']], largely centering around Shara coming to terms that she needs to move on from the painful period of time.
*[https://en.wikipedia.org/wiki/Black-and-white_dualism Light and Darkness] ([https://en.wikipedia.org/wiki/Good_and_evil Good and Evil]) - The main force and driving central theme behind ''Sonic Unleashed''. Represented with [[Chip|Light Gaia]], [[Dark Gaia]], [[Doctor Eggman]], and [[Sonic the Hedgehog]], ensuing a cycle of how light and dark are both needed in order for positive change to take effect.
*[https://en.wikipedia.org/wiki/Death_anxiety Death Anxiety] - [[Merlina the Wizard|Merlina]]'s character journey throughout ''[[Sonic and the Black Knight]]'', Merlina attempts to create a world that never ends but Sonic refutes such a concept, finding that the cycle of death is what prompts others to live their lives to the fullest.
*[https://en.wikipedia.org/wiki/Chivalry Chivalry] - A central thematic conflict in ''Sonic and the Black Knight''.
*[https://en.wikipedia.org/wiki/Language_barrier Language barrier] - A minor and subtle theme of [[Sonic Colors|''Sonic Colors'']], largely part of [[Yacker]]'s character.
*[https://en.wikipedia.org/wiki/Family_of_choice Family of choice] - Focus of [[Sage]]'s character journey throughout ''[[Sonic Frontiers]]'' as she starts to understand the concept of familial love and what it means to be apart of a loving family.
*[https://en.wikipedia.org/wiki/Bullying Bullying] - The focus of [[Trip the Sungazer|Trip]]'s character arc in ''[[Sonic Superstars]]'' as she learns to overcome and stand up to the bullying that [[Fang the Hunter]] instills into her, this is represented by the helmet she used to wear as she symbolically learns to open up.
*Embracing the past - The main theme and drive for Shadow's character arc in ''[[Shadow Generations]]''. It is also speculated to be the anthesis to his titular title.<!--Wikipedia link for "embracing the past" is missing. I am unaware of the proper psychological term for it, if anyone can find a link or term that would fit, then that would be greatly appreciated!-->
 
===Mythology===
{{Expansion}}
 
===Theology===
{{Expansion}}
 
* [[Black Arms]] - Like much symbolism with enemies related to Shadow the Hedgehog. The race takes heavy biblical inspirations, largely when it comes to Satanic imagery.
**This is further emphasized with the naming schemes of multiple Black Arms aliens such as [[Devil Doom]].
**Furthermore, the Black Arms don't follow traditional Sonic the Hedgehog design philosophy to convey the feeling of them being Extraterrestrial lifeforms.
 
==Music==
{{Main|List of songs}}
The music of the ''Sonic'' series is considered one of the aspects that make the series popular. ''Sonic'' games have featured tunes composed by a variety of people; [[Masato Nakamura]] of J-pop band [[Dreams Come True]] was responsible for the music of the first two 16-bit games. ''Ys''/''Streets of Rage'' composer [[Yuzo Koshiro]] composed the music for the first 8-bit title, barring what was taken from the 16-bit title. Sega's in-house music company, [[Wave Master]], has done the majority of the remaining music in series. One Wave Master employee, [[Jun Senoue]], is part of the band [[Crush 40]] has played the main theme songs of the [[Sonic Adventure|two ''Sonic'']] ''[[Sonic Adventure 2|Adventure games]]'', ''[[Sonic Heroes]]'', and ''[[Shadow the Hedgehog (game)|Shadow the Hedgehog]]''. [[Richard Jacques]], a frequent composer of music for [[Sega]] games, contributed to the soundtracks of ''[[Sonic R]]'' and the [[Sega Saturn|Saturn]]/[[PC]] version of ''[[Sonic 3D Blast]]'', the [[Sonic Boom (series)|''Sonic Boom'']] series games and has continued to contribute to the soundtracks of racing games. [[Tomoya Ohtani]] has been the sound director for most of the main series games since [[Sonic the Hedgehog (2006)|''Sonic the Hedgehog'' (2006)]].
 
== Notable games ==
{{Main|List of games}}
This is a list of the most notable ''Sonic'' games since the series' debut in 1991. While all mainline games are included, a few important spin-offs are featured as well. Note that games from the ''Mario and Sonic at the Olympic Games'' series are not included.
{| class="wikitable" style="text-align:center"
! rowspan="2" |Year
! colspan="2" |Home console
! colspan="2" |Handheld/Mobile
|-
! width="20%" |Game
!Platform(s)
! width="20%" |Game
!Platform(s)
|-
!1991
|[[file:Sonic1 box usa.jpg|120px]]<br>''[[Sonic the Hedgehog (1991)|Sonic the Hedgehog]]''
| rowspan="2" |[[Sega Mega Drive|<small>Mega Drive/Genesis</small>]]
|[[file:Sonic-8-Bit-Game-Gear-US-Box-Art.png|120px]]<br>''[[Sonic the Hedgehog (8-bit)|Sonic the Hedgehog]]''
| rowspan="4" |<small>[[Sega Game Gear|Game Gear]]<br />[[Sega Master System|Master System]]</small>
|-
!1992
|[[file:Sonic2-cover.jpg|120px]]<br>''[[Sonic the Hedgehog 2]]''
|[[file:Sonic 2 GG US Majesco.jpg|120px]]<br>''[[Sonic the Hedgehog 2 (8-bit)|Sonic the Hedgehog 2]]''
|-
! rowspan="2" |1993
|[[file:Soniccd-cover.jpg|120px]]<br>''[[Sonic the Hedgehog CD]]''
| <small>[[Sega CD]]</small>
| rowspan="2" | [[file:Sonic Chaos boxart NA.jpg|120px]]<br>''[[Sonic Chaos]]''
|-
|[[file:Sonic-spinball-usa.png|120px]]<br>''[[Sonic Spinball]]''
| rowspan="3" |<small>[[Sega Mega Drive|Mega Drive/Genesis]]</small>
|-
! rowspan="2" |1994
|[[file:Sonic3cover.png|120px]]<br>''[[Sonic the Hedgehog 3]]''
| rowspan="2" | [[file:Sonic Triple Trouble GG US.jpg|120px]]<br>''[[Sonic the Hedgehog Triple Trouble]]''
| rowspan="3" |<small>[[Sega Game Gear|Game Gear]]</small>
|-
|[[file:Sonic & Knuckles (US).jpg|120px]]<br>''[[Sonic & Knuckles]]''
|-
!1995
|[[file:Knuckles Chaotix.png|120px]]<br>''[[Knuckles' Chaotix]]''
|<small>[[Sega 32X|32X]]</small>
|[[file:SonicLabyrinthBoxArt.jpg|120px]]<br>''[[Sonic Labyrinth]]''
|-
! 1996
|[[file:Sonic3DBlastUSfrontcover.jpg|120px]]<br>''[[Sonic 3D Blast]]''
|<small>[[Sega Mega Drive|Mega Drive/Genesis]]<br />[[Sega Saturn|Saturn]]</small>
|[[file:Sonic-Blast-Box-Art-US.png|120px]]<br>''[[Sonic Blast]]''
|<small>[[Sega Game Gear|Game Gear]]<br />[[Sega Master System|Master System]]</small>
|-
!1997
|[[file:Sonic-R-Saturn-Box-Art.png|120px]]<br>''[[Sonic R]]''
|<small>[[Sega Saturn|Saturn]]<br>[[PC]]</small>
| colspan="2" |N/A
|-
!1998-1999
|[[file:Sonic Adventure Box Artwork.jpg|120px]]<br>''[[Sonic Adventure]]''<ref group="note" name="JPrelease">Released in December of the former year in Japan, and released in the latter year in North America and Europe.</ref>
|<small>[[Dreamcast]]</small>
| colspan="2" |N/A
|-
!1999
| colspan="2" |N/A
|[[file:Sonicpocketcover.PNG|120px]]<br>''[[Sonic the Hedgehog Pocket Adventure]]''
|<small>[[Wikipedia:Neo Geo Pocket Color|Neo Geo Pocket Color]]</small>
|-
!2000
|[[file:Sonic-shuffle.378497.jpg.png|120px]]<br>''[[Sonic Shuffle]]''
| rowspan="2" |[[Dreamcast]]
| colspan="2" rowspan="2" |N/A
|-
!2001
|[[file:Sonic Adventure 2 box artwork.png|120px]]<br>''[[Sonic Adventure 2]]''
|-
!2001-2002
| [[file:SA2B JP main art alt.png|120px]]<br>''[[Sonic Adventure 2: Battle]]''<ref group="note" name="JPrelease" />
|<small>[[Nintendo GameCube]]</small>
| [[file:SA GBA US.jpg|120px]]<br>''[[Sonic Advance]]''<ref group="note" name="JPrelease" />
| rowspan="2" | <small>[[Game Boy Advance]]</small>
|-
! 2002-2003
| colspan="2" |N/A
|[[file:Sonic Advance 2 box US.jpg|120px]]<br>''[[Sonic Advance 2]]''<ref name="JPrelease" group="note" />
|-
!2003
|[[file:Sonic adventure dx.jpg|120px]]<br>''[[Sonic Adventure DX: Director's Cut]]''
|<small>[[Nintendo GameCube]]<br />[[PC]]</small>
| colspan="2" | N/A
|-
!2003-2004
|[[file:Sonic Heroes.jpg|120px]]<br>''[[Sonic Heroes]]''<ref group="note" name="JPrelease" />
|<small>[[Nintendo GameCube]]<br />[[PC]]<br />[[PlayStation 2]]<br />[[Xbox]]</small>
| [[file:Sonic Battle box US.jpg|120px]]<br>''[[Sonic Battle]]''<ref group="note" name="JPrelease" />
| rowspan="2" |<small>[[Game Boy Advance]]</small>
|-
!2004
| colspan="2" |N/A
|[[file:Sonic Advance 3 box US.jpg|120px]]<br>''[[Sonic Advance 3]]''
|-
!2005
|[[file:Shadow the g Coverart.png|120px]]<br>''[[Shadow the Hedgehog (game)|Shadow the Hedgehog]]''
|<small>[[Nintendo GameCube]]<br />[[PlayStation 2]]<br />[[Xbox]]</small>
|[[file:Sonic-Rush-Box-Art-US.png|120px]]<br>''[[Sonic Rush]]''
|<small>[[Nintendo DS]]</small>
|-
! rowspan="2" |2006
|[[file:Sonic Riders key art EN.png|120px]]<br>''[[Sonic Riders]]''
|<small>[[Nintendo GameCube]]<br />[[PC]]<br />[[PlayStation 2]]<br />[[Xbox]]</small>
| rowspan="2" |[[file:SonicRivals US.jpg|120px]]<br>''[[Sonic Rivals]]''
| rowspan="2" |<small>[[PlayStation Portable]]</small>
|-
|[[file:Sonic Next Gen.jpg|120px]]<br>''[[Sonic the Hedgehog (2006)]]''
|<small>[[PlayStation 3]]<br />[[Xbox 360]]</small>
|-
! rowspan="2" |2007
| rowspan="2" |[[file:SatSR.PNG|120px]]<br>''[[Sonic and the Secret Rings]]''
| rowspan="2" |<small>[[Wii|Nintendo Wii]]</small>
| [[file:Sonic Rush Adventure.jpg|120px]]<br>''[[Sonic Rush Adventure]]''
|<small>[[Nintendo DS]]</small>
|-
| [[file:Sonic Rivals 2.png|120px]]<br>''[[Sonic Rivals 2]]''
|<small>[[PlayStation Portable]]</small>
|-
! rowspan="2" | 2008
|[[file:Box 141916-hd.jpg|120px]]<br>''[[Sonic Unleashed]]''
|<small>[[PlayStation 3]]<br />[[Xbox 360]]</small>
| rowspan="2" |[[file:The Dark Brotherhood.jpg|120px]]<br>''[[Sonic Chronicles: The Dark Brotherhood]]''
| rowspan="2" |<small>[[Nintendo DS]]</small>
|-
|[[file:Box 141916-hd.jpg|120px]]<br>''[[Sonic Unleashed (Wii/PlayStation 2)|Sonic Unleashed]]''
|<small>[[PlayStation 2]]<br />[[Wii|Nintendo Wii]]</small>
|-
!2009
|[[file:Sonic and the Black Knight (Wii).jpg|120px]]<br>''[[Sonic and the Black Knight]]''
|<small>[[Wii|Nin]]<small>[[Wii|tendo Wii]]
| colspan="2" |N/A
|-
! rowspan="2" |2010
|[[file:Sonic4EP1PS3BixArt.jpeg|120px]]<br>''[[Sonic the Hedgehog 4: Episode I]]''
|<small>[[PC]]<br />[[PlayStation 3]]<br />[[Wii|Nintendo Wii]]<br />[[Xbox 360]]</small>
| rowspan="2" |[[file:Sonic Colors DS key art.png|120px]]<br>''[[Sonic Colors (Nintendo DS)|Sonic Colors]]''
| rowspan="2" |<small>[[Nintendo DS]]</small>
|-
|[[file:Sonic Colors Wii key art.png|120px]]<br>''[[Sonic Colors]]''
|<small>[[Wii|Nintendo Wii]]</small>
|-
!2011
|[[file:Sonic Generations.jpg|120px]]<br>''[[Sonic Generations]]''
| rowspan="2" |<small>[[PC]]<br />[[PlayStation 3]]<br />[[Xbox 360]]</small>
|[[file:SG 630992 210762 front.jpg|120px]]<br>''[[Sonic Generations (Nintendo 3DS)|Sonic Generations]]''
|<small>[[Nintendo 3DS]]</small>
|-
!2012
|[[file:Sonic 4 Episode II boxart.png|120px]]<br>''[[Sonic the Hedgehog 4: Episode II]]''
| colspan="2" |N/A
|-
! rowspan="2" |2013
| rowspan="2" |[[file:SLW US.jpg|120px]]<br>''[[Sonic Lost World]]''
| rowspan="3" |<small>[[Wii U|Nintendo Wii U]]</small>
|[[File:Sonic Dash current icon.png|120px]]<br>''[[Sonic Dash]]''
|<small>[[Android]]<br />[[iOS]]</small>
|-
|[[file:SonicLostWorld3DSBox.jpg|120px]]<br>''[[Sonic Lost World (Nintendo 3DS)|Sonic Lost World]]''
| rowspan="2" |<small>[[Nintendo 3DS]]</small>
|-
!2014
|[[file:SB Rise of Lyric NA Box Art.jpg|120px]]<br>''[[Sonic Boom: Rise of Lyric]]''
|[[file:SB Shattered Crystal NA Box Art.jpg|120px]]<br>''[[Sonic Boom: Shattered Crystal]]''
|-
! rowspan="2" |2015
| colspan="2" rowspan="3" |N/A
|[[file:Sonic Runners App Icon 2.0.png|120px]]<br>''[[Sonic Runners]]''
|<small>[[Android]]<br />[[iOS]]</small>
|-
|[[File:Current icon.png|120px]]<br>[[Sonic Dash 2: Sonic Boom]]
|<small>[[Android]]<br />[[iOS]]</small>
|-
!2016
|[[file:Sonic Boom Fire Ice.png|120px]]<br>''[[Sonic Boom: Fire & Ice]]''
|<small>[[Nintendo 3DS]]</small>
|-
! rowspan="2" |2017
| [[file:ManiaCoverArt.jpg|120px]]<br>''[[Sonic Mania]]''
| rowspan="4" |<small>[[Nintendo Switch]]<br />[[PC]]<br />[[PlayStation 4]]<br />[[Xbox One]]</small>
| rowspan="2" |[[file:SFSB New Icon.png|120px]]<br>''[[Sonic Forces: Speed Battle]]''
| rowspan="2" |<small>[[Android]]<br />[[iOS]]</small>
|-
|[[file:Sonic Forces box artwork.jpg|120px]]<br>''[[Sonic Forces]]''
|-
!2018
|[[file:SonicManiaPlusProfile.png|120px]]<br>''[[Sonic Mania Plus]]''
| colspan="2" rowspan="2" |N/A
|-
!2019
|[[file:TeamSonicRacingProfile.jpg|120px]]<br>''[[Team Sonic Racing]]''
|-
!2020
| colspan="4" |N/A (''Sonic at the Tokyo 2020 Olympic Games'' not counted)
|-
!2021
|[[file:Sonic colors ultimate key vertical.jpeg|120px]]<br>''[[Sonic Colors: Ultimate]]''
|<small>[[Nintendo Switch]]<br />[[PC]]<br />[[PlayStation 4]]<br />[[Xbox One]]</small>
| colspan="2" rowspan="2" |N/A
|-
!2022
|[[file:Sonic Frontiers.png|120px]]<br>''[[Sonic Frontiers]]''
 
|<small>[[Nintendo Switch]]<br />[[PC]]<br />[[PlayStation 4]]<br />[[PlayStation 5]]<br />[[Xbox One]]<br />[[Xbox Series X and Series S|Xbox Series X/S]]</small>
|-
!2023
|[[file:Sonic Superstars key art.jpg|120px]]<br>''[[Sonic Superstars]]''
|<small>[[Nintendo Switch]]<br />[[PC]]<br />[[PlayStation 4]]<br />[[PlayStation 5]]<br />[[Xbox One]]<br />[[Xbox Series X and Series S|Xbox Series X/S]]</small>
|[[file:SonicDreamTeamIcon.png|120px]]<br>''[[Sonic Dream Team]]''
| <small>[[iOS]]<br />[[iPad]]<br />[[macOS]]<br />[[wikipedia:Apple TV|Apple TV]]</small>
|-
! rowspan="2" |2024
|[[file:SXSG Steam cover.jpg|120px]]<br>''[[Sonic X Shadow Generations]]''
| rowspan="4" |<small>[[Nintendo Switch]]<br />[[PC]]<br />[[PlayStation 4]]<br />[[PlayStation 5]]<br />[[Xbox One]]<br />[[Xbox Series X and Series S|Xbox Series X/S]]</small>
| rowspan="2" |[[file:Sonic Rumble icon.jpg|120px]]<br>''[[Sonic Rumble]]''
| rowspan="2" |<small>[[Android]]<br />[[iOS]]<br />[[PC]]</small>
|}
 
==Spin-offs==
The success of the ''Sonic'' video game franchise has led to a large number of spin-offs and adaptations in other media, such as TV shows, films, and comic series, starring Sonic. Each spin-off incorporates aspects from the games to varying degrees. With few exceptions, each production takes place in their own fictional universe, independent of the video games.
 
===Animations ===
====''Sonic the Hedgehog'' (DiC franchise)====
Three of the Western animated TV series based on ''Sonic'' are all produced by [[DiC Entertainment|DiC Productions]] (now called WildBrain) with a collaboration with Sega of America, from 1993 to 1999.
 
'''''[[Adventures of Sonic the Hedgehog]]''''' (or ''AoStH'' for short) is an American animated television series that was first broadcast in September 1993 and has been running in cartoon syndication ever since. It follows the escapades of [[Sonic the Hedgehog (Adventures of Sonic the Hedgehog)|Sonic]] and [[Miles "Tails" Prower (Adventures of Sonic the Hedgehog)|Tails]] as they stop the evil [[Doctor Ivo Robotnik (Adventures of Sonic the Hedgehog)|Doctor Ivo Robotnik]] and his array of vicious [[Badnik (Adventures of Sonic the Hedgehog)|robots]] from taking over the planet [[Mobius (Adventures of Sonic the Hedgehog)|Mobius)]]. The plots very loosely followed the storyline of the video games series; at the time the ''Sonic'' games were still quite new and lacking much plot or character development, which was in turn filled in by the show's writers.
 
The animated television series, simply called '''''[[Sonic the Hedgehog (TV series)|Sonic the Hedgehog]]''''', originally aired from September 1993 to June 1995. While ''Adventures of Sonic the Hedgehog'' is known for its bright colors and whimsical humor, ''Sonic the Hedgehog'' featured darker stories which constituted a departure from the tone of the ''Sonic'' games of the time. To distinguish between the two series, fans typically refer to this series as ''Sonic SatAM'' because it was a Saturday morning cartoon while ''Adventures of Sonic the Hedgehog'' aired on weekdays in syndication and using the show's full title would cause confusion in many situations because the show's title is the same as the character's name.
 
DiC's final ''Sonic'' cartoon, '''''[[Sonic Underground]]''''' ran for only one season, 1998 to 1999; it bears little relation to other entries featuring Sonic (including previous games, comics and the other animated series) and shares few established characters. 65 episodes were originally produced and of those, only forty were released. Unlike its predecessor, ''Sonic SatAM'', the [[Sonic Underground (group)|heroes]] do not remain in a sanctuary-like refuge but instead travel around [[Mobius (Sonic Underground)|Mobius]] to battle [[Doctor Robotnik (Sonic Underground)|Robotnik]] forces on a global scale. The Mobian civilization featured in the series includes multiple cities, a poor underclass and an aristocracy for the heroes to interact with. ''Sonic Underground'' is the only animated series based on ''Sonic'' where Tails has not made an appearance.
 
====Other versions====
Other ''Sonic the Hedgehog'' animation adaptations which are made by other studios.
 
'''''[[Sonic the Hedgehog: The Movie]]''''' is a two-episode OVA film series based upon the game ''[[Sonic the Hedgehog CD]]'' and the video game series as a whole. It was made in Japan in 1996 and released as a dub in North America in 1999. Unlike the games, the film takes place on a world named [[Planet Freedom]] that, as with many anime series, appears to be a crossbreed of a fairytale land and [[Earth]]. At the time of its creation, the anime did not differ as far from official canon as it does today; at this point, it could be considered to take place in an a different continuity than the games, just like other versions of ''Sonic'' from other media.
 
The anime series '''''[[Sonic X]]''''' is the longest-running and most successful animated series based on ''Sonic'' to date. Originally planned as a 52 episode series that would be inspired by the story lines of the ''[[Sonic Adventure|Sonic]] [[Sonic Adventure 2|Adventure series]]'', ''Sonic X'' has now expanded to 78 episodes with the latest 26 episodes set primarily in outer space (which those episodes were not broadcasted in Japan). ''Sonic X'' is also the only animated series to include [[Super Sonic (Sonic X)|Super Sonic]]. The main difference that sets this series from the other continuities is that [[Sonic the Hedgehog (Sonic X)|Sonic]] and his friends originally came from an unnamed planet that is in parallel dimensions with [[Earth (Sonic X)|Earth]].
 
The CGI animated television series, titled '''''[[Sonic Boom (TV series)|Sonic Boom]]''''', features a comedic take on [[Sonic the Hedgehog (Sonic Boom)|Sonic]] and his [[Team Sonic (Sonic Boom)|friends]] and their never-ending battles with [[Doctor Eggman (Sonic Boom)|Dr. Eggman]] as the main media of the ''[[Sonic Boom (series)|Sonic Boom]]'' sub-franchise. More than one hundred episodes with a duration of eleven minutes each have aired.
 
The latest show in the franchise called '''''[[Sonic Prime]]''''' was released for [[Netflix]]. ''The show'' is described as a "high octane adventure" and a "journey of self-discovery and redemption" following [[Sonic the Hedgehog/History and appearances (Sonic Prime)|Sonic]] and his race to save a "strange new [[multiverse]]." A fierce battle between Sonic the Hedgehog and [[Doctor Eggman/History and appearances (Sonic Prime)|Dr. Eggman]] results in a universe-shattering event which prompts Sonic to set off on a quest to restore the [[Shatterverse]] and save his friends, whom up until the moment he had taken for granted. Along the way, Sonic discovers both new worlds and new allies. The first season has eight episodes, while season two has the same amount of episodes that season one has, bringing the total of episodes to sixteen in the show. The third and final season was released in the beginning of 2024.<ref>{{Cite web|url=https://twitter.com/rouleau1/status/1679980685489221632|work=Twitter|title=Duncan Rouleau on Twitter|publisher=Duncan Rouleau|date=14 July 2023|accessdate=13 August 2023}}</ref>
 
====''Sonic the Hedgehog'' (film series)====
The '''[[Sonic the Hedgehog (film series)|''Sonic the Hedgehog'' film series]]''' is currently being produced by [[Paramount Pictures]]. The first film, ''[[Sonic the Hedgehog (film)|Sonic the Hedgehog]]'', is a action-adventure, CGI/live action hybrid released in early 2020. In the film, [[Sonic the Hedgehog (Paramount)|Sonic]] is on [[Earth (Paramount)|Earth]] in a town called [[Green Hills]], but hides to keep his [[Chaos energy (Paramount)|power]] from falling in the wrong hands. After [[Doctor Ivo Robotnik (Paramount)|Dr. Robotnik]] discovers him, Sonic befriends a cop named [[Tom Wachowski]] and they go on a road trip to get Sonic's [[Ring (Paramount)|Rings]] back and stop Robotnik. It proved successful enough to grant sequels. A second entry, ''[[Sonic the Hedgehog 2 (film)|Sonic the Hedgehog 2]]'', was theatrically released in early 2022. In this film, Sonic finds himself on a quest with his new friend [[Miles "Tails" Prower (Paramount)|Miles "Tails" Prower]] to find the [[Master Emerald (Paramount)|Master Emerald]] before Robotnik and his new ally, [[Knuckles the Echidna (Paramount)|Knuckles the Echidna]]. A third entry, ''[[Sonic the Hedgehog 3 (film)|Sonic the Hedgehog 3]]'', will be released in late 2024 and feature [[Shadow the Hedgehog (Paramount)|Shadow the Hedgehog]].
 
===Comics===
====''Sonic the Hedgehog'' (Archie)====
''[[Sonic the Hedgehog (Archie comic series)|Sonic the Hedgehog]]'' was a comic series published by [[Archie Comics]]. All of Archie's ''Sonic''-related series, miniseries and specials take place in the same fictional universe. This universe features a mixture of characters, settings and situations from the video games, the ''SatAM'' cartoon, the various other incarnations of Sonic, and many elements unique to the comic universe. The current status quo of the comic deals with a full-scale war between the [[Eggman Empire (Archie)|Eggman Empire]], ruled by [[Doctor Eggman (Archie)|Dr. Eggman]], and the [[Freedom Fighters (Archie)|Freedom Fighters]]. However, it also features a variety of other villains and heroic characters whom [[Sonic the Hedgehog (Archie)|Sonic]] Sonic and the other Sega characters interact with. The comics were cancelled in 2017.
 
''[[Sonic X (comic series)|Sonic X]]'' was a comic book series that is based on the [[Sonic X|anime series of the same name]] published by Archie Comics. It began in September 2005 and was originally meant to be a four-part series; due to the positive reaction to the series' announcement, it was extended to ongoing status before the first issue premiered. The comic is unique in that it is not directly based on the games; the comic is based on the television show and takes place in its expanded fictional universe. The comic borrows elements from the series first two seasons of the show, including [[Doctor Eggman's Fortress|Eggman's fortress]], (which was destroyed in the first season of the series) and characters from the storyline of ''[[Sonic Adventure]]''.
 
''[[Sonic Universe]]'' was a spin-off comic book series published by Archie Comics to the main ''Sonic the Hedgehog'' comic series. It mainly featured characters that are less prominent in the main series but the two comic series frequently tied-in with each other.
 
''[[Sonic Boom (comic series)|Sonic Boom]]'' was an on-going comic book series for the ''[[Sonic Boom (series)|Sonic Boom]]'' sub-franchise published by Archie Comics, taking the main comedic traits of the characters that the series had shown back then.
 
====''Sonic the Hedgehog'' (IDW)====
The ''[[Sonic the Hedgehog (IDW comic series)|Sonic the Hedgehog]]'' comic series began their publishing by [[IDW Publishing]] on 4 April 2018. The announcement for the new comic series was made shortly after the termination of the Archie Comics partnership.
 
====Non-Archie/IDW ''Sonic the Hedgehog'' comics====
The [[Sonic the Hedgehog (manga)|''Sonic the Hedgehog'']] [[manga]] series, published in [[Shogakukan]]'s ''Shogaku Yonensei'' (literally "fourth-year student") was written by [[Kenji Terada]] and illustrated by Sango Norimoto. The manga, which started in 1992, was about a hedgehog boy named [[Nicky]] who can turn into [[Sonic the Hedgehog (Shogakukan)|Sonic the Hedgehog]]. Sonic fights [[Doctor Eggman|Dr. Eggman]], with [[Miles "Tails" Prower (Shogakukan)|Miles "Tails" Prower]] tagging along to help him.
 
'''''[[Sonic the Comic]]''''', known to its many readers as ''STC'', was a UK children's comic published by [[Fleetway|Fleetway Editions]] between 1993 and 2002. Although it was the UK's official Sega comic, ''Sonic the Comic'' established its identity and ongoing storyline and setting when [[Sonic the Hedgehog (Sonic the Comic)|Sonic the Hedgehog]], [[Miles "Tails" Prower (Sonic the Comic)|Miles "Tails" Prower]] and their friends were sent forward in time six months. During their absence, [[Doctor Ivo Robotnik (Sonic the Comic)|Dr. Robotnik]] successfully conquered the entire planet of [[Mobius (Sonic the Comic)|Mobius]] , and Sonic's group were forced underground, operating as "[[Freedom Fighters (Sonic the Comic)|Freedom Fighters]]" attempting to bring down Robotnik's rule of the planet. Due to an aggressive series of budget cuts on the part of Fleetway, the series went into full reprint by [[Sonic the Comic Issue 184|issue #184]]; the final story ended with a number of loose ends left untied. An online fan based comic, called ''Sonic the Comic-Online'', has been set up to continue the comic story starting from where the original ''Sonic the Comic'' story left off and beginning with issue #224, due to ''STC'' being reprints from [[Sonic the Comic Issue 185|issues #185]] to [[Sonic the Comic Issue 223|#223]]. It has received positive feedback from both fans and writers of the original ''Sonic the Comic''.
 
''[[The Jet Black Hedgehog: Shadow the Hedgehog]]'', published in [[CoroCoro Comic]] Monthly magazine, is being written and illustrated by mangaka [[Yuki Imada]]. The serialized manga started in 2024 as a way to tie-in, adapt, and promote the release of ''[[Shadow Generations]]''. It retells [[Shadow the Hedgehog]]'s time on the [[Space Colony ARK]] as well as adapt the events of ''Shadow Generations''.
 
==Reception and legacy==
The ''Sonic the Hedgehog'' series became an instant success, both commercially and critically, throughout the videogame industry. During its first decade of existence, it hit a mega-sensation and became one of the most popular media franchises worldwide, rivalling and drawing comparisons to Nintendo's ''[[Mario]]'', which had made a similar impact in the 1980s. Sega, capitalizing on this success, also made ''Sonic'' venture outside video games and into other media, such as television shows, comic book series, films, and [[List of toy companies|toys]]. Sale estimates for the ''Sonic'' series range from 80 to 100+ million copies sold through the span of its history; this figure amounts to a total of 350 million when counting mobile downloads and purchases, reaching the list of best-selling video game series. In 2020, [[Sega Sammy Holdings|Sega Sammy]] revealed in their annual investors report that the franchise has sold over 1.14 billion cumulative units, including physical sales and downloads.
 
The series has gained international recognition for its music, covering a wide variety of genres including rock, pop, metal, ska, hip hop, ambient and orchestral. The online publication ''Tom's Guide'' wrote that "from ''[[Sonic the Hedgehog 2|Sonic 2]]'', to ''[[Sonic and the Secret Rings|Secret Rings]]'', to ''[[Sonic Riders: Zero Gravity|Zero Gravity]]'', to ''[[Sonic Mania Plus|Mania Plus]]'', Sonic's always brought an S-Rank performance to his games' musical stylings".<ref>{{Cite web |first = Robert |last = Carnevale |date = 29 August 2018 |title = The 16 Best Video Game Soundtracks |url = https://www.tomsguide.com/us/pictures-story/1561-best-video-game-soundtracks.html |work = Tom's Guide |accessdate = 7 October 2023}}</ref> The music of [[Green Hill|Green Hill Zone]] has been described as one of the most memorable melodies in pop culture and one of the greatest of all time,<ref>{{Cite web |first = Carl |last = Anka |date = 22 December 2015 |title = The 10 Best Video Game Soundtracks Of All Time |url = https://sabotagetimes.com/life/halo-4-10-other-great-original-videogame-soundtracks |work = Sabotage Times |archiveurl = https://web.archive.org/web/20180729081506/https://sabotagetimes.com/life/halo-4-10-other-great-original-videogame-soundtracks |archivedate = 29 July 2018 |accessdate = 7 October 2023}}</ref> with ''GamesRadar+'' noting that remixes of the track are continuously released on YouTube to this day.<ref>{{Cite web |first = Justin |last = Towell |date = 16 April 2008 |title = Sonic's 2D classics re-reviewed: Page 4 |url = https://www.gamesradar.com/sonics-2d-classics-re-reviewed/4/ |work = GamesRadar+ |accessdate = 7 October 2023}}</ref> The soundtrack of [[Star Light Zone]] was one of nineteen tracks from popular Japanese video game franchises to be used during [[Wikipedia:2020 Summer Olympics opening ceremony|the opening ceremony]] of the [[Wikipedia:2020 Summer Olympics|2020 Summer Olympics]] in Tokyo, Japan.<ref>{{Cite web |first = Michael |last = McWhertor |date = July 23, 2021 |title = Olympics 2021 Opening Ceremony: Tokyo Olympics video game music list |url = https://www.polygon.com/22590146/olympics-2020-games-athletes-parade-of-nations-video-game-music-dragon-quest-kingdom-hearts |work = Polygon |accessdate = 7 October 2023}}</ref>
 
Through its history, the ''Sonic'' franchise has been nominated and won several awards as well. It won "'''Outstanding Contribution'''" by the Golden Joystick, the first ever to win that prize. The franchise also got onto the '''Walk of Game,''' and has had several graphic, gameplay, sound, and "game of the year" accolades per year. It was awarded seven records by the ''Guinness World Records'' in Guinness World Records: Gamer's Edition 2008. The records include "'''Best Selling Game on Sega Systems'''", "'''Longest Running Comic Based on a Video Game'''" and "'''Best Selling Retro Game Compilation'''" (for ''[[Sonic Mega Collection]]''). In the Guinness World Records: Gamer's Edition 2010, the ''Sonic the Hedgehog'' series was listed number '''15 out of the top 50 videogame franchises'''. In December 2006, IGN ranked ''Sonic the Hedgehog'' as the '''19th greatest series of all time''', claiming that "although recent 3D entries in the series have been somewhat lacking, there is no denying the power of this franchise".<ref>{{Cite web|url=http://gameboy.ign.com/articles/749/749077p2.html|date=07 December 2006|title=The Top 25 Videogame Franchises|publisher=[[Wikipedia:IGN|IGN]]|accessdate=03 October 2022|archiveurl=https://web.archive.org/web/20061207162233/http://gameboy.ign.com/articles/749/749077p2.html|archivedate=07 December 2006}}</ref>
 
Besides this praise, the ''Sonic the Hedgehog'' series has attracted criticism, especially in recent years. A common complaint has been that the variant gameplay styles found in recent three-dimensional titles have strayed from the original formula of the series. Specifically, the series' jump to 3D has been noted as a declining point. A strong point of controversy also hits the ''Sonic'' fanbase, claimed to be particularly "annoying" by several people. In late 2010, Sega de-listed ''Sonic'' titles with "mixed" or "negative" scores in review aggregator Metacritic, such as the poorly received [[Sonic the Hedgehog (2006)|''Sonic the Hedgehog'' (2006)]], in order to increase the value of the ''Sonic'' brand after positive reception for games such as ''[[Sonic the Hedgehog 4]]'' and ''[[Sonic Colors]]''. Some video game magazines and critics have also been very critical of the franchise.{{Citation needed}}
 
Despite some of its more scathing contenders, the ''Sonic the Hedgehog'' series still maintains a global position in the gaming world, continuing to perform well commercially, and with a very supportive fanbase that has continued to run strong up to this day.{{Citation needed}}
 
==Anniversaries==
{| class="wikitable" style="text-align:center"
!Anniversary
!Logo
|-
|[[Sonic the Hedgehog 10th Anniversary|10th]]
|[[File:Sonic 10th logo.png|100px]]
 
|-
|[[Sonic the Hedgehog 15th Anniversary|15th]]
 
|[[File:Sonic 15th Anniversary logo.png|100px]]
|-
|[[Sonic the Hedgehog 20th Anniversary|20th]]
| [[File:Sonic 20th Anniversary logo.png|100px]]
|-
|[[Sonic the Hedgehog 25th Anniversary|25th]]
|[[File:Sonic25thAnniversaryLogo.png|100px]]
|-
|[[Sonic the Hedgehog 30th Anniversary|30th]]
|[[File:Sonic 30th Anniversary logo.svg|100px]]
|}
 
==Trivia ==
*According to Kevin Eva, the former [[Sega]] Europe community manager, the canon and continuity of the ''Sonic the Hedgehog'' games are somewhat in flux all the time. As such, certain plot elements are only valid whenever Sega wants or needed them to be at the time, and can easily be changed later on.<ref>{{Cite web|url=http://board.sonicstadium.org/topic/19847-segas-secret-sonic-bible-that-well-probably-never-see-to-mars/?do=findComment&comment=964735|title=Sega's Secret Sonic Bible that we'll probably never see "TO MARS!"|first=Kevin|last=Eva|work=Sonic Stadium Message Board|date=17 August 2015|accessdate=20 August 2015}}</ref>
*According to [[Ian Flynn]], for the games which have both a home console and handheld release, the former is the canonical version, with ''[[Sonic Colors|Sonic]] [[Sonic Colors (Nintendo DS)|Colors]]'' being a special exception.<ref name="BKC">{{Cite web|url=https://www.youtube.com/watch?v=TI0Jf3VssnU |date=26 September 2022 |title=BumbleKast LIVE! for September 26th, 2022 - Q&A Livestream with Ian Flynn (5:37) |work=YouTube |publisher=BumbleKing Videos |accessdate=27 September 2022 }}</ref>
*The [[Sonic the Hedgehog Technical Files|prologue story]] presented at the beginning of the Japanese ''[[Sonic Jam]]'' guide has an event featuring [[Sonic the Hedgehog|Sonic]] saving a woman named Meg from a plane crash and a fire, which is stated to occur in the 1980s. If this story is taken as canon, then this would confirm that the ''Sonic the Hedgehog'' franchise, or at least its earliest installments, take place during that decade.
*Despite being a Japanese video game franchise, like many other Japanese game franchises notably do, most human characters presented in games, specifically the titular antagonist [[Doctor Eggman|Dr. Eggman]], are designed with caucasianized looks (though there is no official answer given as to what nationality any of them are meant to represent), indicating that the ''Sonic'' series is more targeted and to appeal western audiences.<ref>[https://chao-island.com/forum/viewtopic.php?t=46484#:~:text=From%20his%20earliest%20conception%20Sonic,in%20Western%20countries%20than%20Japan. https://chao-island.com/forum/viewtopic.php?t=46484#:~:text=From%20his%20earliest%20conception%20Sonic,in%20Western%20countries%20than%20Japan.]</ref> Speaking of that, it's often claimed by fans that the ''Sonic the Hedgehog'' series isn't as popular in Japan as the West and with an addition of saying that the franchise is more American than Japanese due to the fact that many ''Sonic the Hedgehog'' media outside of games, such as the original cartoons, original comics, etc, are produced outside of Japan, mostly the United States and the United Kingdom which are the two regions that the franchise is also said to be the most popular in.{{citation needed}} Similar thing goes with ''Mario'' and ''Pac-Man''.
 
==Video==
[[File:Sonic 101 A Brief History of Sonic the Hedgehog|left|350px]]
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==Notes==
<references group="note" />
 
==References==
{{Reflist|2}}
 
==External links==
*{{Plain link|https://www.sonicthehedgehog.com/|Official website}} '''(English)'''
*{{Plain link|http://sonic.sega.jp/|Official website}} '''(Japanese)'''
*{{Plain link|https://www.facebook.com/Sonic|Official Facebook}}
*{{Plain link|https://twitter.com/sonic_hedgehog|Official Twitter}} '''(English)'''
*{{Plain link|https://twitter.com/SonicOfficialJP|Official Twitter}} '''(Japanese)'''
*{{Plain link|https://www.youtube.com/user/Sonic|Official YouTube}} '''(English)'''
*{{Plain link|https://www.youtube.com/user/SONICMOVIECHANNEL|Official YouTube}} '''(Japanese)'''
*{{Plain link|https://www.instagram.com/sonicthehedgehog/|Official Instagram}}
*{{WP link|Sonic the Hedgehog}}
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