Jack is a lavender fish with a very big body. He wears a brown suit and a yellow shirt underneath. He has a big mustache and a small green top hat on his head. On the side of his head are three magenta colored spots.
SpongeBob gets a black eye from trying to take the lid off his toothpaste, but he punches himself in the eyeball and makes up a story that he got the black eye from fighting Crazyfish. Crazyfish then comes to the Krusty Krab because he heard that SpongeBob makes great Krabby Patties, and he's hungry for one.