Ernesto Hoost and Jan Plas K-1 Super Techniques

Ernesto Fritz Hoost (born July 11, 1965) is a Dutch kickboxer. A four-time K-1 World Champion, he made his debut in 1993 at the K-1 World Grand Prix 1993, where he came just one win short of the world title. He announced his retirement on December 2, 2006 after the K-1 World GP Final tournament in Tokyo Dome, Japan

Jan Plas (1945–2010) was a Dutch former professional kickboxer, trainer and founder of the Mejiro Gym in Amsterdam. He is considered to be the father of kickboxing in The Netherlands.