He played Dracula.

SpongeBob SquarePants and Squidward Tentacles stand on a dock at night, reacting with wide eyes and open mouths to a green, dog-like character holding a flashlight; the dog-like character turns its head and opens its mouth in a yawn or shout, while SpongeBob gestures with his hand, all under a spotlight on a wooden pier with a boat and signs for "GALLEY GRUB" and "TICKET WINDOW" in the background.