KA47 is an American rapper affiliated with Knights of the Rhyme Table, a band group closely associated with Barta Gretek, and Grossum. KA47 is the most frequent Barta Gretek collaborator, featured on several That's Adultery and Kill Harbert songs. He has also stimulated The Flesh of Bulls, MC Yahweh and Tarvis into appearing on Knights of the Rhyme Table tracks. He has a penchant for living with oddly-named roommates such as Hollis and Mauricio, as well as for threatening people to eat shards of plastic if they don't admit that he has a long penis. He currently attends San Jose State University.