Chuck David Liddell (born December 17, 1969) is an American (United States) mixed martial artist (Mixed martial arts) and former Ultimate Fighting Championship light heavyweight (Light heavyweight (MMA)) champion. Liddell has an extensive striking background in Kempo karate (American Kenpo), Koei-Kan karate (Koei-Kan) and, with a record was 20 and 2 with 16 knockouts, kickboxing. He also has a grappling background in collegiate wrestling. An unorthodox striker, due to his relaxed hands-down stance and the angles at which he throws punches, with exceptional knockout ability he tends to use his wrestling skills to defend against takedowns.

He, along with Tito Ortiz, has the most UFC fights with 22. He, along with Matt Hughes (Matt Hughes (fighter)), has the most wins by a fighter in the UFC, tied with 16 wins. He also holds the most KO/TKO wins in the UFC with 10.Citation neededdate=August 2009 Along with fellow UFC fighter, Randy Couture, Liddell is widely credited for bringing mixed martial arts into the mainstream of American sports and entertainment. Citation neededdate=August 2009 In 2009 he competed on season nine of Dancing With the Stars.