Noxious Enterprise's Super SPU-31 Liquid-Cooled Mobile Processing Unit, also known as SPU-31, is a device that Plankton creates in an attempt to steal the Krabby Patty secret formula and replace Karen in the episode "Komputer Overload."
SPU-31 has a large bubbly center with a blue liquid substance in it. It possesses light tan robot legs to hold itself up.
Role in episode
SPU-31 fights with the Command Module and the T-119A Compumatic until Plankton combines the three computers to make one giant robot. SPU-31 makes up the bottom of it.