What are some heavy metal bands with unique vocals?

Arch Enemy

I also find Anders Friden of In Flames to have a very unique voice but some beg to differ.

Also, everybody knows Tom Araya's voice when they hear it. Slayer is a great band.

Nevermore

Mercyful Fate

King Diamond

Arch Enemy

Nightwish

Megadeth

Metallica

Iron Maiden

Judas Priest

Melechesh

Sabaton

Dio

Orphan Hate

Tristania

Sevendust

Otep

Motorhead

High On Fire

Swallow the Sun

alot of these bands i see listed have talented voalists (besides Matt Shadows who sings like a pussy) but they are not really all that unique, u want unique u look at ******* Death, they are a thrash metal band from the 80's and will ******* blow your mind

Album: Sounds of Perserverance

Best Songs: Bite the Pain, A Moment of Clarity, To Forgive is to Suffer

Dio. Everyone knows Dio's voice an no one can belt it out like that little man can.

On the heavier side I would have to say Lord Worm from Cryptopsy. He has a strange way of fitting the words into songs, not to mention his scream. The pitch and his ability to hold it for long periods of time (over 30 seconds in one song) definitely make him stand out.

In Flames

Five Finger Death Punch

Bullet for my valentine

All that Remains

36 Crazyfists

Austrian Death Machine

3 Inches of Blood

Skindred

Mushroomhead

Dethklok

Megadeth-- No one snarls like Dave.

Judas Priest-- Man, can Rob hit those high notes!

Iron Maiden-- C'mon, it's Bruce Dickinson.

Anything with Ozzy Osbourne.

Hammerfall

Megadeth

Rammstein

System of a Down

X Japan

Drowning Pool (first album; they still had Dave Williams then)

Into Eternity

Avenged Sevenfold: their lead singer M. Shadow's voice is freakin awesome, as is their drummer, The Rev's (his is kind of demonic sounding sometimes, especially on "A Little Piece of Heaven")

Motorhead.

Lemmy voice isn't a put on act, thats how he sounds