Gary Anthony Williams (born March 14, 1966) is an American actor, voice artist and comedian who provided the voice of Uncle Ruckus on The Boondocks, Yancy Westridge in the video game Alpha Protocol, and Horace Warfield in StarCraft II: Wings of Liberty. He appeared on the television series Weeds, Boston Legal, Blue Collar TV, and as "Abe" Kenarban in Malcolm in the Middle. Williams co-founded and is Artistic Director of the L.A. Comedy Shorts film festival in Hollywood, California. He also starred alongside Cedric the Entertainer on the hit TV Land sitcom The Soul Man. Williams is currently a regular on Whose Line is it Anyway?.