what type of animal is plankton from spongebob
Plankton and Karen Plankton is an intellectual planktonic copepod who runs the unsuccessful Chum Bucket restaurant alongside Karen, who is a talking supercomputer. Plankton is the arch-rival of Mr. Krabs, who owns the far more profitable Krusty Krab restaurant and sells a fictional burger called the Krabby Patty. Plankton and Karen often devise schemes to steal the secret Krabby Patty recipe, but their efforts are always thwarted by Krabs and his employees.