He appears when SpongeBob and Patrick knock on his door to sell chocolate. Patrick starts at him creepily, causing him to slam the door on Patrick's eyes.
He appears at the Snail-Po Headquarters. He is pointing at an image of the Snail-Po can design.
"Le Big Switch"
He first appears as one of the Fancy! customers that SpongeBob steals a Krabby Patty from. He later appears when the scene is filled with customers after Mr. Krabs says, "...and you brought customers."