Bill is a triangle with a pyramid design, resembling the Illuminati symbol or the Eye of Providence, with an eye in the middle. Among the bottom part of his body is a brick pattern. In the theme song, Bill has a top hat on, a bow tie, and stick arms and legs, but lacks them in most of his cameos. As a metaphysical demon, Bill is capable of altering his body into a variety of frightening and cubic forms. While he can manipulate his own body at will, wounds on Bill seems to suggest his inside has 