Joseph Wayne McVey IV, better known by his stage names Z-Ro and the Mo City Don, is an American rapper from Houston, Texas. He was named one of America's most underrated rappers by The New York Times in 2007.

Stayve Jerome Thomas, better known by his stage name Slim Thug, is an American rapper. He gained mainstream attention for his guest performance alongside Paul Wall on Mike Jones' 2004 single "Still Tippin'." The following year, he made a guest appearance alongside Bun B on Beyoncé's 2005 single "Check on It", which peaked atop the Billboard Hot 100 and won an MTV Music Video Award. Capitalizing on this, he signed with Interscope Geffen A&M and the Neptunes' Star Trak Entertainment to release his debut studio album Already Platinum (2005), which peaked at number two on the Billboard 200. Furthermore, he made a guest appearance on Gwen Stefani's 2005 single "Luxurious", which peaked at number 21 on the Billboard Hot 100.