He resembles SpongeBob, but is even more square, has a bigger mouth, beady eyes, flatter shoes, no nose, and has his tie on the top of his head.
Role in episode
When SpongeBob and Ideal Plankton are spotted, he, Money Krabs, and Gnarly Squid appear to take them out. Later, when he and the real SpongeBob ram into each other, they both turn into Off Model SpongeBobs. Ideal Plankton manages to take out the real Off Model SpongeBob.