Tags: Martial Artist.
Frank W. Dux (pronounced dukes) is a martial artist and fight choreographer. Dux established his own school of Ninjutsu in 1975 called Dux Ryu Ninjutsu. An article about his purported exploits that appeared in an article in Black Belt Magazine in 1980 was the eventual inspiration for the 1988 film Bloodsport starring Jean-Claude Van Damme.