William Joseph Crawford (born January 28, 1984 in the Fillmore District, San Francisco), better known by his stage name Ya Boy, is an American rapper and actor signed to his own Precise Music Group. He also has strong ties with The Game's Black Wall Street label, and is the cousin of fellow rappers San Quinn, Messy Marv and Champ Bailey. He released his debut album Rookie of the Year in 2005, and plans to release his second studio album, which is untitled so far in 2011.