Lumpus is a fictional character from the animated television series Camp Lazlo, which aired on Cartoon Network. He is the camp leader of Camp Kidney and is known for his gruff demeanor and strict rules. Despite his tough exterior, Lumpus often finds himself in humorous situations, showcasing his more vulnerable side. Lumpus is depicted as a moose, and his character often serves as a foil to the more carefree campers, particularly Raj, Clam, and Patty. His interactions with the campers highlight themes of friendship and the challenges of leadership in a camp setting.