Scoutmaster Lumpus is a character from the animated television series Camp Lazlo. He serves as the leader of the Bean Scout camp and is known for his grumpy demeanor and often comical attempts to maintain order among the campers. His character is a moose, which adds to his unique personality and charm. Despite his strictness, Lumpus has a soft side that occasionally emerges, especially when it comes to his interactions with the campers, including Lazlo, Raj, and Clam. His antics often lead to humorous situations, making him a memorable part of the show's dynamic.