S1·E18 Less Than Hero

Brandy is holding a food drive for the less fortunate, in which Mr. Whiskers wants to help out. However, when Mr. Whiskers accidentally ruins the food drive, Brandy needs to find a way to make it work out anyway. So Mr. Whiskers becomes a superhero after reading a comic, but when everyone says that he's a menace, he decides to become a supervillain.