He mastered various martial arts techniques, including his master's kung fu, karate, taekwondo, jiu-jitsu, and boxing, then crafted his own kung fu style.

And because Kung fu was unknown in the US, he mastered karate - became the national champion - just so that he can generate publicity for his kung fu training school, and he did. 

When Hollywood refused the lead role, he went to Hong Kong, made blockbusters, and Hollywood begged him to return.

Dude also runs 10km every morning. And dang, that bod