Charles David "Chuck" Liddell is a retired American mixed martial artist and former Ultimate Fighting Championship Light Heavyweight Champion. Liddell has an extensive striking background in Kempo, Koei-Kan karate and kickboxing, as well as a grappling background in collegiate wrestling and Brazilian Jiu-Jitsu. Liddell holds the record with the most knockouts in UFC history. Liddell had 23 fights in the UFC, and along with Randy Couture, is widely credited for bringing mixed martial arts into the mainstream of American sports and entertainment. On July 10, 2009, he was inducted into the UFC Hall of Fame.
- Born: December 17, 1969 (age 49), Santa Barbara
- Aliases: 'The Iceman' Chuck Liddell, Charles David "Chuck" Liddell, Charles David Liddell, Charles Liddell, Chuck 'The Iceman' Lidell, The Iceman
- Children: Brendan Liddell, Cade Liddell, Trista Liddell
- Height: 6′ 2″ (1.88m)