Sad news developing today, Robin Williams has passed away at age 63.

Watch the man do what he did best back in 1977 on HBO... one of my favorite bits of his, and one that I first watched with my dad who would always comment about his hyperactivity.

Updating with some of the most touching statements and tributes to Williams on Twitter below. Currently Williams and his related films are trending worldwide on the social networking service, a true testament to how much people loved him. If only he'd seen these...