Plankton runs the Chum Bucket restaurant in Bikini Bottom, where he serves chum, a type of bait made from fish meat. Plankton despises his rival, Mr. Krabs, for running a successful restaurant because his own business rarely gets any customers. His main goal is to steal Krabs' secret formula for Krabby Patties and running Mr. Krabs out of business.

Plankton is one of the most popular characters in the SpongeBob SquarePants animated series. Everyone will know you are a fan when you wear this Plankton Face SpongeBob SquarePants T-Shirt!