William Joseph Crawford (born January 28, 1984), known by his stage name Ya Boy (also known as Rich Rocka), is an American rapper from Fillmore District, California.

[2] The year prior, he signed with the latter's record label, Konvict Muzik, having first signed with San Quinn's Done Deal Entertainment to release his debut studio album, Rookie of the Year (2005).

After making an appearance on the label's collaborative mixtape, The Black Wall Street Journal, Vol.

The latter song was shared with disc jockey DJ Drama as part of his third album, Third Power (2011).

Crawford changed his stage name in favor of Rich Rocka in early 2013.