He is a tiny translucent green amoeba and is also just the right size for Plankton. He also has an antenna and three dark green spots on him, with four legs on each side of his body. He wears a yellow shirt with red stripes and red stars.
Role in episode
He is one of the puppies used for Plankton, whose role is to get into Mr. Krabs' office and open the window, so demolitions puppy can go in.