Chun Kuk Do is a Korean-based, American hybrid martial art style. Founded in 1990 by Chuck Norris, CKD evolved from Tang Soo Do and combines elements from several different
fighting styles. "Chun Kuk Do" is Korean and is loosely translated as "The Universal Way." Norris trained in various other styles under some of the most respected instructors in the
United States. These instructors included Tang Soo Do instructor Shin Jae Chul, Shotokan Karate masters Tsutomu Ohshima and Hidetaka Nishiyama, Shito-ryu Karate instructor Fumio Demura,
American Kenpo Karate founder Ed Parker, Judo expert Gene LeBell, and Brazilian Jiu-Jitsu legends the Machado family.