SpongeBob SquarePants
Sheldon J. Plankton is a green copepod. He is an evil genius and Mr. Krabs' rival. His goal is to steal the secret recipe for Krabby Patties. He runs a restaurant called the Chum Bucket with the help of his computer wife named Karen. The Chum Bucket is unpopular and they never get customers. He is always trying to steal the secret Krabby Patty Formula. He is voiced by Mr. Lawrence.