What the HECK! This guy must've been secretly studying me and my techniques. I'm flattered, but I don't understand why he doesn't credit me.
This seems to be a small siminar. Maybe he doesn't know it's being recorded.

http://www.youtube.com/watch?v=mNXRInrSSVU&mode=related&search=
then again, is appears as if he's pulling his punches because
A. the jerk keeps coming back.
2. there's no blood.
C. there's no sound of cartilage crunching.