Jason Nicholas Miller (born December 24, 1980) best known as Mayhem Miller is an American TV host and mixed martial arts middleweight fighter. Miller trains at Reign Training Center in Lake Forest, California and at Kings MMA in Huntington Beach, California. He has fought in the UFC, Strikeforce, WFA, WEC, and DREAM. He holds notable wins over Robbie Lawler, Tim Kennedy, Denis Kang and Kazushi Sakuraba.