Maynard James Keenan, Jimi Hendrix, Dimebag Darrell, Kurt Cobain, Zakk Wylde, Ozzy Osbourne, Jamey Jasta , Phil Anselmo, Brent Smith of Shinedown, Rob Zombie, Howard Jones, Tommy Lee, Corey Taylor
Take a look at who's on my friend's list, you'll get the idea