Big Johnny

If you were looking for the article about the krill, then see Johnny Krill.

If you were looking for the article about the guest voice actor, then see Johnny Depp.

If you were looking for the article about the voice actor, then see Johnny Knoxville.

If you were looking for the article about the realistic talking fish, then see Johnny Elaine.

Big Johnny is one of Billy's friends that also attended Poseidon Elementary School with Mr. Krabs and Plankton. Initially in the episode, he was shown with light green skin, white eyes, a white T-shirt, and blue shorts and spoke in a young New York-style accent. According to his friends, he will eat anything. He was the first to try Plankton's chum burger, but when he ate it, he spit it out.