Enemigos, Rivales y Personajes Neutrales
Dr. Ivo Robotnik/Dr. Eggman
Metal Sonic
Metal Knuckles
EggRobo
Tails Doll
Fang the Sniper
Lien-Da
Chaos (Zero)
E-102 Gamma
E-123 Omega
Shadow the Hedgehog
Rouge the Bat
Jet the Hawk
Wave the Swallow
Storm the Albatross
Scourge the Hedgehog
Emerl the Gizoid
Gemerl the Gizoid
Black Doom
Erazor Djinn
Dark Gaia
Mephiles the Dark
Dark Oak
Time Eater
Silver the Hedgehog