The Brain is the protagonist villain of the Animaniacs and his spin-off series Pinky and the Brain. He has an oversized brain, and is very knowledgeable. However, his attempts to conquer the world always fail, mostly because of his partner and only friend Pinky, who is very silly and always messes up the plan. But The Brain doesn't let that bring him down, and by next night he will have a new trick up his sleeve.