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 he announced on Twitter in 2012 to focus on his solo career as a rapper and producer.
Porter was an original member of Detroit hip-hop group D12.
Throughout his career he has both produced and performed vocally, producing songs for many notable artists such as Eminem, Busta Rhymes, Snoop Dogg and 50 Cent (produced the song "P.I.M.P."). Mr. Porter has also produced two songs for rap group Slaughterhouse's major label debut, Welcome To: Our House.
Denaun is Eminem's current hype man after the death of D12 band member Proof. He is also officially signed to Eminem's label Shady Records as a producer & has worked with Shady artists Slaughterhouse, Bad Meets Evil, 50 Cent & D12.
Porter was a co-executive producer, with Eminem and Royce da 5'9", for Bad Meets Evil's debut EP Hell: The Sequel. He also has a cameo appearance in their music video "Fast Lane", as well as "Forever" by Drake featuring Kanye West, Lil Wayne and Eminem, and Eminem's single "No Love" featuring Lil Wayne.
Denaun has been in talks of planning to release his debut studio album tHe mEmO soon, failing to meet the last deadline he announced to be in late 2013.
On March 24, 2012, Porter announced through Twitter that he had left D12. He said that he wanted to focus on being a solo artist and producer, but clarified that he holds no animosity toward other members of the group. He is currently signed to Aftermath Entertainment as a producer.