Karate, Taekwondo, Judo, American Jujitsu, along with a whole list of other styles.
What people don't seem to realize in this country is that there is more to Martial Arts than just learning to fight. More than learning mindless routines, and only the slight hints of the way martial arts is...
If you have websites, (trusted, of course,) YouTube clips or anything else that is proof, please post. Anything that says Light is actually going to be played as "Zefron". Is it a rumor?