Kid Rock has brown hair, which varies in tint, blue tattoos on his left arm, and unusually thick eyebrows. He also has a brown beard and mustache, which looks to be shaven in various lengths. He was shown wearing a black top hat and a white tank top.
In “Up the Down Steroid”. He was not shown speaking, but the fact that he was researched upon by Cartman, in order to find out how to appear mentally handicapped, suggests that he is of low intelligence.