In Sonic the Hedgehog #39, a bounty hunter captures Sonic and delivers him to Robotnik, who dumps Sonic into his roboticizer and transforms the hedgehog into a mindless, evil robot known as Mecha-Sonic. Technically, it's Mecha-Sonic who beats up Knuckles and Bunnie, and who lays waste to Knothole Village and Jules Hedgehog is sonics father