Hey Chris,

http://www.youtube.com/watch?v=CELN-DQI5qc#t=2m17s

he appears before at 1m10s and again later. So, he credits the work he's done on IS to allow him to pull this off. And if you tally his hours training in martial arts I'm afraid his #1 would have to be Aikido. But he is a dog brother now too ( Mongolian Dog )