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.
Sandy Cheeks Sandy is a close friend of SpongeBob SquarePants. She is a proud Texan and speaks in a stereotypical Southern drawl. In order to live underwater, she resides in a bubble-like dome[1] and wears an atmospheric diving suit when outside her house.[2] Sandy is shown to possess a number of tough, tomboyish character traits and interests: she is skilled at karate, is an excellent bodybuilder,[3] is a rodeo champion,[4] and possesses extraordinary scientific skills such as the ability to construct complex inventions.[5]