From wikipedia, Skummy:
Anthrax, Dream Theater, Bang Camaro, Ben Folds Five, Boston, Blind Guardian, Kurt Cobain, Def Leppard, The Darkness, Extreme, Foo Fighters, The Germs, The Go Go's, Davey Havok, My Chemical Romance, Jeff Scott Soto, The Killers, Green Day, Guns N' Roses,Helloween,Iron Maiden,Judas Priest, Kansas, Manic Street Preachers, Metallica, George Michael, Marilyn Manson, Kaiser Chiefs, Muse, Mika,Nine Inch Nails, Panic at the Disco, Radiohead, The Smashing Pumpkins, Switches, Max Cavalera,Styx, Sweet, and Cesare CremoniniThreshold keyboardist Richard West; amongst others.
I'm sure you can find some decent bands in there. >_>