Denaun Porter (born December 7, 1978), also known by the stage names Mr. Porter and Kon Artis, is an American rapper and record producer. He was best known as a member of Detroit rap group D12, until his departure in 2012, to focus on his solo career as a rapper and producer. In 2014 he rejoined D12 and was featured on the Shady XV album and was be part of the groups third album.