Frank Dux and Paco Prieto, Dux Ryu Ninjitsu Ninjutsu

Martial Arts Master: Frank Dux ( founder of dux ryu ninjitsu ) and Paco Prieto a Dux Ryu Ninjitsu Black Belt and actor from Wrong Bet with action star Jean Claude Van Damme. ... Dux Ryu Ninjutsu is said to be rooted in the Yagyu Ryu school of the ancient Japan and Koga Yamabushi Ninjitsu systems.