Chuck Norris hands down:
"In 1968, Norris became the Professional
World Middleweight Karate Champion. He held the title undefeated until he retired in 1974. He is a black belt in Tang Soo Do and Tae
Kwan Do, both Korean fighting arts, and knows all forms of the martial arts. In 1969, he earned the Triple Crown for the highest
number of tournament wins, and was named Fighter of the Year by Black Belt magazine. By the time he was 34, Norris had established 32
karate schools and had been a champion for six years. In 1996, he became the first Westerner to be awarded an eighth-degree black belt
in Tae Kwan Do."