Duane Paul Ludwig is an American mixed martial arts coach, retired professional kickboxer and mixed martial artist.

Jonathan Goulet is a Canadian retired mixed martial artist. A professional from 2001 until 2010, Goulet fought in the UFC. He earned his nickname, "The Road Warrior," after taking a fight on very short notice, traveling to the fight venue without his trainers or cornermen. During his career he was noted for his ever-changing hair colors and using his hair to advertise sponsors.