The music video features Eminem performing the song in a psychiatric ward, a local Detroit neighborhood nearside a park, a fast-food joint, the Grammy Awards . There have been few stars as outrageously controversial as Eminem, but who was the real Marshall Mathers and who was Slim Shady?. Quotes controversial rapper Eminem. I Must admite I hated this song at first but it grew on me. First off I'm sick and tired of people dissin' Eminem. Yeah he may. "The Real Slim Shady" is a song by American rapper Eminem from his third album The Marshall Mathers LP (). It was released as the lead single a week. We were introduced to Eminem through his "Slim Shady" character, which was one of his alter egos along with Eminem and Marshall Mathers (his real name). Eminem | Length: Writer: Marshall Mathers, Andre R. Young, Mike Elizondo, Tom Coster. Composer: Marshall Mathers, Andre R. Young, Mike Elizondo. The Real Slim Shady Lyrics: May I have your attention, please? / May I have your attention, please? / Will the real Slim Shady please stand up? / I repeat, will the.