Sonic the Hedgehog protagonist Sonic the Hedgehog, a blue hedgehog able to run at supersonic speeds, and recurring villain Dr. Eggman, an evil scientist whose ambition is to conquer the world. Among Sonic's many allies, the most well-known include: Miles "Tails" Prower, a twin-tailed, highly intelligent yellow fox who is Sonic's sidekick and best friend; Amy Rose, a pink hedgehog who is Sonic's self-proclaimed girlfriend and a hero in her own right; Knuckles the Echidna, a coolheaded red echidna who is the guardian of the Master Emerald; Shadow the Hedgehog, an anti-heroic doppelgänger of Sonic with a dark past; and Metal Sonic, a
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