Lumpy Space King is the father of Lumpy Space Princess. He, along with his attached wife, Lumpy Space Queen, rules Lumpy Space. They first appeared in the episode "Trouble in Lumpy Space," and again later in the episode "The Monster." It is obvious that they care very much for their daughter, but Lumpy Space Princess has a hard time accepting their love. It is revealed in the episode "The Monster" that Lumpy Space King sometimes calls Lumpy Space Queen "Boogely Bear," as a nickname.
He is a part of his wife. He has a weak beard and square glasses. He has a golden star on his forehead, that symbolizes royalty in Lumpy Space. He also wears a golden crown.