Hamburger Heaven

Hamburger Heaven is a fast food restaurant located in Springfield. It serves hamburgers.

History
Grampa Simpson tried to kill himself via assisted suicide and the procedure failed. He was left alive, but thought he had died and was now experiencing the afterlife. He left the clinic and went for a walk around Springfield, during which he passed by Hamburger Heaven. Because he thought he was dead, he was surprised that hamburgers existed in heaven.