TyrantNemesis and I like a lot of the same stuff.
In no particular order, and it's a laundry list:
Tool
A Perfect Circle
Smashing Pumpkins
Bullet for my Valentine
Killswitch Engage
All That Remains
Atreyu
Incubus
Sublime
The Killers
Muse
Dave Matthews Band
Red Hot Chili Peppers
Green Day
Rise Against
Paramore
Ramones
The Clash
Nirvana
AC/DC
Guns N' Roses
Velvet Revolver
Led Zeppelin
Pantera
Metallica
Nine Inch Nails
Rammstein
Linkin Park
Stone Sour
Disturbed (new album, bitches)
Shinedown
Breaking Benjamin
Rob Zombie
Ozzy Osbourne
Evanescence
Lacuna Coil
Various genres in there. Classic rock, metal, alternative, punk, my list has got it all, folks.
Favorite singers (not including solo artists, I already named a couple):
Amy Lee (Evanescence)
Hayley Williams (Paramore)
Corey Taylor (Slipknot, Stone Sour)
Maynard James Keenan (Tool, A Perfect Circle, Puscifer)
Chester Bennington (Linkin Park)
Trent Reznor (Nine Inch Nails)