Jacob Christopher "Tito" Ortiz is a retired American mixed martial artist and a former politician. Ortiz is best known for his stints with the Ultimate Fighting Championship (UFC), where he is a former Light Heavyweight Champion, having held the title from April 14, 2000, to September 26, 2003. Along with fighters like Randy Couture and Chuck Liddell, he was one of the sport's early stars. Ortiz ultimately became the biggest pay-per-view draw of 2006 for his fights with Liddell, Forrest Griffin, and Ken Shamrock.

David Lee "Tank" Abbott is an American retired mixed martial arts fighter, professional wrestler, and author. He currently hosts his own podcast series titled "The Proving Ground with Tank Abbott." Abbott is perhaps best known for being an icon in the early stages of mixed martial arts and the UFC, but has also competed in the PRIDE Fighting Championships, Strikeforce, EliteXC, and Cage Rage, challenging for the UFC heavyweight Championship once in 1997. His fighting style, which he developed brawling in the bars and streets of Huntington Beach, California, was described by his future manager Dave Thomas as "Pit Fighting". He also authored a novel titled Bar Brawler.