What is the stage name of the American rapper from Michigan, who was a member of Funky Cowboys, Good Sqwad, and most notably for a group in which half the members made a guest appearance on the debut solo album 'The People vs' by Trick-Trick?
The People vs.: The People vs. is the debut solo album by American rapper Trick-Trick. The People vs.:  The album also featured guest appearances by the likes of Obie Trice, Miz Korona, Jazze Pha, a one-half of D12 members (Proof, Kon Artis and Eminem), and his brother and Goon Sqwad bandmate Diezel. Proof (rapper):  During his career, he was a member of the groups 5 Elementz, Funky Cowboys, Promatic, Goon Sqwad and most notably, D12.
i don't know