Question: Which American hip hop artist had his film debut in 'Get Rich or Die Tryin' which featured his song 'I'll Whip Ya Head Boy' as the intro to the film?

Related documents: [0]  [DOC] Get Rich or Die Tryin' is a 2005 American Hip-Hop Rap biopic crime film starring 50 Cent, in his feature film acting debut. It was released on November 9, 2005, and was known as Locked and Loaded during production. Similar to the 2002 Eminem film "8 Mile", which it used as a template, the film is loosely based on 50 Cent's own life and was directed by Jim Sheridan. The name of the film is shared with 50 Cent's 2003 debut album of the same name. [END] 
[1]  [DOC] "I'll Whip Ya Head Boy" is a song by American hip hop recording artist 50 Cent, released as the fourth and final single from the soundtrack to the film "Get Rich or Die Tryin'." The song features Young Buck and is the closing track on the album. It is played in the intro of the film. The official remix features M.O.P. and was released as a promo single to USA radio stations. [END]  
Answer: 50 Cent
50 Cent