Hamburger Cop

Jolly Hamburger is a minor character in The Amazing World of Gumball. He is an anthropomorphic hamburger. Despite being a figment of Richard's imagination, he appears around Elmore in "The Sidekick" and "The Limit" and "The Extras", meaning he was actually real.

Season 2

 * "The Flakers": He was chased by Richard during his medicine induced hallucinations.
 * "The Sidekick": He makes a cameo appearance.
 * "The Limit": He makes another cameo appearance.
 * "The Finale": He appears in a police car with a french fry.

Season 3

 * "The Extras"