Kung Fu: Finger Trick
Apparently this man performed the "Finger Trick" 50 years ago when he was much younger. I'm not sure how old that makes him now, perhaps in his 70's. He is considered the only person in the world to accomplish this feat.
Hai-Tank can do a handstand using only one finger with his feet propped up against the wall; it looks very painful and I'm surprised his finger doesn't break from attempt. Wow.
Link (via Giant Mecha)