Charles Williamson (born 1977) is better known by his stage name Guerilla Black is a rapper from Compton, California. He was born in Chicago, Illinois. He came to fame after releasing his debut album Guerilla City (2004), which featured the singles "Compton" Featuring Beanie Man and "You're The One" Featuring Mario Winans. Guerilla Black released a track titled "400 Shotz, the Funeral" taking aim at The Game, Jermaine Dupri and Daz Dillinger. His latest mixtape, "The Black Tapes" was released in 2009. It is notable for Williamson's change in rapping style, a change he acknowledges on several tracks. Featured artists on the Mixtape included Hot Dollar, T-Pain, and Akon.
He has been both criticized and praised for having a similar voice and delivery to The Notorious B.I.G. and even pays homage to Biggie on his "Real Niggaz Say Real Shit" mixtape, on the track "Letter to B.I.G." Williamson also bears a striking physical resemblance to Biggie.
He is the brother of rapper Hot Dollar, and both rappers are part of the Dolla Figga hip-hop collective.