The Ultramagnetic MCs is an American hip hop group based in Bronx, New York. Originally founded by Kool Keith, the group is composed of Ced Gee, TR Love, and Moe Love. Tim Dog became an unofficial member in 1989. In 1990, DJ Jaycee was added as Roadmanager and backup DJ. A former member, Rooney Roon, was fired following an assault arrest. Beat-boxing legend Rahzel was also involved with the group early in its career.