Jason Nicholas Miller, best known as Mayhem Miller, is an American former mixed martial arts fighter and TV host. Miller coaches fighters in Irvine, California, at Mayhem Martial Arts and has trained extensively with Kings MMA in Huntington Beach, California. He has fought in the UFC, Strikeforce, WFA, WEC and DREAM. Miller was the host of MTV's reality series Bully Beatdown.

Strikeforce was an American mixed martial arts and kickboxing organization based in San Jose, California that operated from 1985 to 2013. It was headed by CEO Scott Coker.