Optimus Prime is a character from the Transformers series. He is the leader of the heroic Autobots, and his archnemesis is Megatron, the leader of the dreaded Decepticons.
He first appeared in the episode "Treehouse of Horror XIX" as Homer Simpson's car. He converted from a pink car into a red and blue robot.
Homer appeared as him In the couch gag for "Future-Drama".