Quinton Ramone "Rampage" Jackson is an American mixed martial artist, actor and former professional wrestler, who most recently fought in the Bellator MMA and won the Bellator MMA: Season Ten Light Heavyweight Tournament. He is a former UFC Light Heavyweight Champion and unified the Pride Middleweight Championship belt. Due to his eccentric personality and aggressive fighting style, Jackson became a star in Japan during his tenure with Pride FC and following his move to the UFC, he helped pioneer MMA's growth into a worldwide sport.  Source.