He once climbed the Golden Gate Bridge to protest a lumber company.
He's good friends with the Red Hot Chili Peppers.
In addition to being vegan, he also follows a raw diet -- meaning he eats only uncooked foods.
Hootie and the Blowfish wrote a song about him, appropriately titled "Woody."
He won an Emmy and was nominated four other times for his role on "Cheers." He's been nominated twice for an Oscar.
- Justin Bieber's Exciting Announcement Milo Ventimiglia and Ellen's 'Partner Push-Ups' Babies in Santa Hats Blake Shelton Gushes Over Gwen A Wonderful Surprise for an Adorable Couple