Randy Duane Couture is an American mixed martial artist, Greco-Roman wrestler, actor, a three-time former heavyweight champion and a two-time light-heavyweight champion of the Ultimate Fighting Championship. Couture is one of only two UFC fighters to have held a championship title in two different divisions in the Ultimate Fighting Championship, as well as the only five-time champion in UFC history.

Frank Mir is an American mixed martial artist and a Brazilian Jiu-Jitsu black belt, competing in the heavyweight division of the Ultimate Fighting Championship. He is a former UFC Heavyweight Champion and a former UFC Interim Heavyweight Champion.

CroCop has been successful in both K-1 and Pride Fighting Championships. On September 10, 2006, he won the Pride 2006 Open Weight Grand Prix, and in 2007 began fighting in the Ultimate Fighting Championship (UFC). CroCop is famous for his left high kicks, with which he has knocked out many of his opponents. He has been famously quoted as describing his kicks as, “Right leg, hospital; left leg, cemetery”. CroCop has been in some real fights and is a true warrior!

Fedor Emelianenko had been universally considered the best heavyweight fighter in the world for the last seven years by major publications, including ESPN, Sherdog, Full Contact Fighter, MMA Weekly, and Nokaut. Many analysts, as well as former and current fighters, consider Emelianenko to be the greatest mixed martial artist of all time. Fedor has been in some real tough fights!