Tatchakorn Yeerum (born 1976) (, , ; formerly Phanom Yeerum (, )), better known internationally as Tony Jaa and in Thailand as Jaa Phanom (, , ), is a Thai martial artist, actor, action choreographer, stuntman, and director. Known for his explosive martial arts stunt work, Jaa broke out in 2003 with Ong-Bak: Muay Thai Warrior, which earned him international recognition and spawned two sequels. Wikipedia