👉 Underchamberlain is a character in the 2019 American animated musical comedy film "The Simpsons". He is portrayed by actor Dan Castellaneta. Underchamberlain is an anthropomorphic bear who lives in the house of Homer Simpson and his family, but he has no arms or legs, and instead uses a pair of rubber gloves to grip things. His appearance and personality are often compared to that of a superhero or other mythical creatures from comic books.
