SpongeBob Demon

SpongeBob Demon is a character who appears in the episode "Ghoul Fools."

Description
His appearance is similar to, except he is larger, has a greenish tinge, and has a lower pitched voice. He acts just like the normal SpongeBob.

Role in episode
When is sucked into the Void by Lord Poltergeist, he encounters this giant creature. In the creature's first appearance in the episode, he shows up in the void and scares Squidward. In his final appearance in the episode, he appears at the Kursed Krab, working there in the void by flipping the restaurant. His head then morphs into the Flying Dutchman's head and he starts laughing.