Dr.Robotnik is the villan for Adventures of Sonic the hedgehog. He is voice by the late Long John Baldry. He is known for losing all the time. He hates Sonic. His henchmen are Scratch and Grounder. He has been the main Sonic villian since Sonic the hedgehog (1991). He appears in all all 65 episodes of Adventures of Sonic the Hedgehog.Robotnik also appears in the fan fiction The Power Rangers meet Dr.Robotnik and Megamind in which he brainwashes Megamind to be evil (since this takes places after the film).