Tadashi Sawamura

Tadashi Sawamura is a Japanese former kickboxer whose real name is Hideki Shiraha . He was one of the first popular participants in the sport, and enjoyed great fame throughout his career. He is sometimes credited for sustaining the early boom in the popularity of kickboxing. He has an exceptionally high knockout percentage of 94.60% in combat sports. For comparison, in heavyweight boxing the two highest knockout percentages are 87.76% by Rocky Marciano and 87.23% by Vitali Klitschko. Mike Tyson who became famous for his knockout power retired with a knockout percentage of 75.86%. Sawamura's knockout prowess earned him the nickname "The Demon of Kickboxing".