DeShaun Dupree Holton, better known professionally as Proof, was an American rapper from Detroit, Michigan. During his career, he was a member of the groups 5 Elementz, Funky Cowboys, Promatic, Goon Sqwad, and D12. He was a close childhood friend of rapper Eminem, who also lived in Detroit. Proof was often a hype man rapper at Eminem's concerts.

D12 was an American hip hop collective from Detroit, Michigan. Formed in 1996, the group achieved mainstream success with its lineup of de facto leader Eminem, Proof, Bizarre, Mr. Porter, Kuniva and Swifty McVay.