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 (8-bit video game) was used as a basis for Tails' theme in "Sonic Adventure". Sonic the Hedgehog (8-bit video game) The premise and story of the 8-bit "Sonic" are identical to that of the Genesis game: as the anthropomorphic hedgehog Sonic, the player must race through levels to rescue the imprisoned animals Doctor Robotnik plots to turn into robots. Gameplay is similar too: Sonic collects rings while avoiding obstacles, but is paced slightly slower as the 8-bit version focuses more on exploration. While some level themes, such as Green Hill Zone, are borrowed from the Genesis game, others are original. It also features