Michelsberg is a 40-year-old anthropomorphic male bat with black fur and black eyes. He wears glasses, a green shirt, a brown jacket, and khaki pants. He has a thin mustache and a scar on his left cheek. He is a former musical artist who went by the stage name M.A.X., but he quit his career after being diagnosed with tuberculosis, which affected his ability to sing. He is now a meth cook and a drug lord who goes by the alias Michelsberg. He is smart, cunning, ruthless, and ambitious.