Jamal Bush, better known by his stage name Tha Rockness Monstah, or in short Rock, is an American rapper, famous as a member of hip hop collective Boot Camp Clik and the duo Heltah Skeltah along with Ruck. After releasing two albums with Heltah Skeltah, Nocturnal and Magnum Force, Rock left Duck Down Records and pursued a solo career. He signed to DJ Lethal's Lethal Records and recorded a solo album titled Planet Rock, which was never released after the label folded.