Valeri Dimitrov, Bulgaria.
See Dimitrov figting in the Karate World Cup, or as many refer to it as World Championship weigth categories. The Karate World Cup, held every 4th year, an the organizer will change for each time. 3 times has Valeri Dimitrov participated in the world cup, and as you know 3 times he has been the winner of his category.
The 4th World Cup, Russia 2009
The 5th World Cup, Lithuania 2013
Visit WKO Shinkyokushinkai youtube for more