sentences:  Stefan Leko
  
  Stefan Leko (born June 3, 1974) is a German heavyweight kickboxer.He is the current WKA Super-Heavyweight world champion in kickboxing, and former Muay Thai world heavyweight champion and Kickboxing world super-heavyweight champion, WMTA, WKN, IKBO, IKBF, and WKA world champion, K-1 European Grand Prix 1998 champion, 1999 K-1 Dream champion and two time K-1 World Grand Prix in Las Vegas tournament champion.