Rotor is a character that appears in the Sonic the Hedgehog television series. He is an anthropomorphic walrus and a member of the Knothole Freedom Fighters who fight against the evil Dr. Robotnik. He serves as the team's mechanic and handyman, inventing reliable gadgets for his team and their missions.
Sonic and the team followed an elderly man named Carl Fredricksen to fulfill a promise he made years ago. During which, they picked up a scout named Russell, lost snipe which they named Kevin and a dog named Dug. Even surviving a deadly poacher.