Voldemort

[edit] Sheldon J. Plankton

Sheldon J. Plankton or simply "Plankton", as he is known, is a tiny, evil, egomaniacal zooplankter who is Mr. Krabs' business arch rival, running a competing restaurant called "The Chum Bucket". His stated goals in life are to steal the secret Krabby Patty formula from the Krusty Krab and to rule the world. Plankton, voiced by Doug Lawrence, is also married to a computer "W.I.F.E." (Wired Integrated Female Electroencephalograph) named Karen (voiced by Jill Talley). Plankton and Karen first appear in the episode Plankton!