Sonic the Hedgehog different media including animation, comic books, and a Hollywood film. The first "Sonic" game, "Sonic the Hedgehog", is a platform game released in 1991. Players control the anthropomorphic blue hedgehog Sonic, who can run and jump at high speeds using springs, ramps, and loops. Sonic must stop Dr. Robotnik from taking over the world using the Chaos Emeralds. "Sonic the Hedgehog 2" (1992) increased the overall size and speed of the series' gameplay and was the second best-selling Genesis game. It introduced Sonic's sidekick and best friend, Miles "Tails" Prower, who followed Sonic throughout the game, and allowed a second
Sonic the Hedgehog (character) dramatic series which portrayed Sonic as a member of a band of Freedom Fighters that fight to free their world from the evil dictator, Dr. Robotnik. In 1996, two episodes of an OVA titled "Sonic the Hedgehog" were released in Japan. For the American release, the two episodes combined and released as "Sonic the Hedgehog: The Movie" by ADV Films. A separate third series was released under the title "Sonic Underground" in 1999. It featured the introductions of Sonic's siblings, Sonia the Hedgehog and Manic the Hedgehog, and Sonic's mother, Queen Aleena, who must defeat Robotnik and rule Mobius as