Robotnik due to his dramatic fall in Sonic the Hedgehog 2's ending. One solution to this problem is for Jim Carrey to play the villain Eggman Nega instead of reprising his role as Dr. Robotnik.

If Sonic the Hedgehog 4 wants to move away from the main Ivo Robotnik, a perfect replacement would be Eggman Nega. Eggman Nega is a descendant of Ivo Robotnik from around two centuries in the ...