WARNING! Spoilers for Sonic the Hedgehog 3Everyone knows that Sonic the Hedgehog's main villain is Dr. Eggman, but there's another character who makes a better opponent for the Blue Blur.

That, though, has somewhat matured in recent years, thanks partly to her portrayal in the TV show Sonic Boom. In the 2010s ... in Sonic CD as a creation of Eggman, who made the metallic Sonic ...

Dr. Eggman and Dr. Eggman Nega in "Mario & Sonic at the London 2012 Olympic Games" (VG) Dr. Eggman and Dr. Eggman Nega in "Mario & Sonic at the Olympic Games Tokyo 2020" (VG) Dr. Eggman and Dr ...