What are some of you favorite bands?

In no particular order, here are some of mine:

Before The Bloodshed
Rob Zombie
Marilyn Manson
METALICCA!!
Pantera
Alice in Chains
Tool
Rage Against The Machine
Godsmack
Disturbed
Incubus
Limp Bizkit
Megadeath
Mudvayne
System of a Down
Slipknot