Marshall Bruce Mathers III (born October 17, 1972), better known by his stage name Eminem or his alter ego Slim Shady, is an American rapper, record producer, songwriter and actor. Eminem's popularity brought his group project, D12, to mainstream recognition. As well as being a member of D12, Eminem is also one half of the Detroit hip hop duo Bad Meets Evil, with Royce da 5'9". Eminem is one of the best-selling artists in the world. He has been listed and ranked as one of the greatest artists of all time by many magazines including the Rolling Stone magazine which has ranked him 82nd on its list of The 100 Greatest Artists of All Time. The same magazine has declared him The King of Hip Hop. Including his work with D12 and Bad Meets Evil, Eminem has achieved ten number one albums on the Billboard 200. He has also sold more than 33 million track downloads and 39.6 million albums in the United States alone.