Frank is a fish who is the owner of Palace of Pranks, a shop where SpongeBob is the best customer and assumed apprentice of the expert prankster.
Frank wears an eyepatch and is green in color. He has a major appearance in "Pranks a Lot," and a minor appearence in "You Don't Know Sponge" as a checkout clerk at a magic shop. According to SpongeBob, Frank is a master at pranks, and makes a living helping aspiring pranksters like SpongeBob and Patrick to get started on playing gags on others. At his shop, his products include:
Fake Seanut Brittle (Snakes in a can)
Fake and REAL Vomit
Exploding Chewing Gum
Frank is a green color. He wears a blue shirt and has brown pants. He has short grey hair, has an eyepatch on his left eye and got grey hair. His name rhymes with prank, despite the name of his store.