The original G-Unit crew might have consisted of 50 Cent, Lloyd Banks, and Tony Yayo, but after becoming a hip-hop phenomenon with his 2003 debut album, Fif' dipped down south and added Young Buck to the ranks. Whether holding it down on the group's stomping Beg For Mercy album or releasing his own major label debut, Straight Outta Cashville, Buck's weighty southern twang dropped the sort of cocky, street-centric boasts that made him a tight fit with the clique.