Adrian Erlandsson, Daniel Erlandsson, Tony Iommi, Alexi Laiho, Paul Allender, Geezer Butler, Christopher Lee, Ihsahn, Jaska Raatikainen, Henkka Blacksmith, Janne Warman, Johan Hegg, Olavi Mikkonen, Johan Soderberg, Ted Lundstrom, Frederik Andersson, Nergal, Inferno, Orion, Fenriz, Nocturno Culto, Trym, Neal Smith, Mike Bruce, Dennis Dunaway, Glen Buxton, Alice Cooper, Nick Barker, Galder, Mustis, Flattus Maximus, Jizmak Da Gusher, Dave Mustaine, Flo Mournier, Erik Rutan, Ace Frehley, Dallas Toler Wade, Paul Stanley, Cliff Burton (rip), Danny Carey, Adam Jones, Justin Chancellor, M.J. Keenan, Neil Peart, Geddy Lee, Alex Lifeson, Michael Amott, Angela Gossow, Karl Sanders, George Kollias, Christopher Amott, Blackie Lawless, Nicko McBrain, Janick Gers, David Gray, Glenn Danzig, Trevor Perez, James Murphy, Allen West, Chris Holmes, King Diamond, Hank Sherman, Pepper Keenan, Phil Anselmo, Rex Brown, Jimmy Bower, Dime (rip), Horgh, Apollyon, Helmuth, Sigurd, Hellhammer, Nick Menza, Bruce Kulick, Mike Inez, Sean Kinney, Jerry Cantrell, Jake E. Lee, Tim Sultz, Neil Fallon, J.P. Gaster, Ozzy, Yngwie Malmsteen, Dave Murray, Adrian Smith, Glenn Tipton, K.K. Downing, Steve Harris, Dave Lombardo, Mikael Akerfeldt, Derek Roddy, Chuck Schuldiner(R.I.P), Richard Christy, Zakk Wylde, Gian Pyres, K.K Warslut, Robin Graves, Jon Schaffer, Abbath, T.C. King, Infernus, Many many others I just can't think of right now.