This list pertains of characters who are the principal enemies of a character(s) in fanon. (Usually a hero and villian).
“Doctor Ivo "Eggman" Robotnik is the main antagonist in the Korean animated series Sonic the...Doctor Eggman (Speed Chronicles)
“Sandā the Hedgehog is the older brother of Sonic and the main villian of Sonic: Rebirth. Much...Sandā the Hedgehog
“Metal Sonic Version 3.0, or simply Metal Sonic 3.0 or 3.0 is a clone/palette swap of the...Metal Sonic 3.0
“This page is about Metal Sonic 3.0's portrayal in the Elements of Power continuity. For...Metal Sonic 3.0/Elements of Power