Robotnik, or one of his robots, including the Hard-Boiled Heavies, elite henchmen based on the EggRobo enemies from Sonic 3 & Knuckles.
At the end of each act, the player takes part in a boss battle against Doctor Eggman, also known as Dr. Dit betekent dat als webshop is gecertificeerd door de Stichting Certificering Thuiswinkel Waarborg.
