1.Ted Nugent: Hunting
2. Jimmy Buffett: Writing books (also sailing)
3. Charlie Watts: Raising show-quality Old English Sheepdogs
4. Simon LeBon: Yacht racing
5. Linda McCartney: Vegetarian cooking
6. Tom Scholz: Electronics (musical amplification design)
7. Rod Stewart: Playing soccer
8. David Lee Roth: Martial arts (also mountain climbing)
9. Jerry Garcia: Drawing and painting
10. Dennis Wilson: Surfing
11. Bono: Political activism
12. Elton John: Record collecting (also being a soccer fan)
13. Diana Ross: Fashion design
14. Alice Cooper: Golf
15. George Harrison: Gardening (also Formula One racing)
16. Jimmy Page: Aleister Crowley
17. Bruce Hornsby: Basketball

Bonus: According to Pink Floyd, what was Arnold Layne's "strange hobby?": "Collecting clothes." In the song, he was either stealing clothes or cross-dressing, nobody really knows which.