Plank

plank is a character from the spinoff Plankton Moves.

Description
Plank is shown to be a crazy criminal becaue he has escaped prison 10 times. He has a son named Plankton Jr.

Plank is also shown to be scared of police sirens as seen in Plankton jr where he panically jumps out the window when he hears one.

He is also really lazy as seen in the episode The Tv Show where he sits on the couch with Plankton watching TV for 5 days until he eventually passes out.