calypso84: Ronnie James Dio, Bruce Dickinson and Matthew Bellamy

stevenm27: shaun morgan-seether

hot drummer boy :P: freddie mercury is the best singer in history.

oo_myGUCCI♥: m. shadow .. <3

Lacey9000: Would have to be Rob Halford for me.Second would be Chuck Billy.

sheZaaD: chester bennington

Unforgiving Spirit: Aaron Lewis

Jon Schaffer of ICED EARTH

Scott Stapp

Layne Staley...R.I.P.....And of course Jerry Cantrell

Zakk Wilde

Amy Lee

Maria Brink

Ozzy Osbourne

sebtheanimal: All good mentions, Roger Waters is mine.
Ozzy has a unique voice for sure but not in this category.

rebel27: Jim Morrison

Unforgiving Spirit: Those 2 are awesome too

....oh and how can I forget Chris Cornell and Miles Kennedy

valiant69: james hedfield from metallica

Unforgiving Spirit: Corey Taylor, Christina Scabbia, Jussi69 from The 69 Eyes

Girth__Brooks: David Lee Roth

jakejakert26: Liam Gallagher or this Kelly guy from the Stereophonics!

hemistu: Ian Gillan

Unforgiving Spirit: James LaBrie of Dream Theater

LeylaSF: Warrel Dane

xcomrade: offf caauurse freedy mercuryy bb

Eveofgod: Robert Plant, Serj Tankian, Bruce Dickinson

wasting_your_time: Janis Joplin tops all. That woman could carve holes in concrete. Honorable mentions....Ian Gillan of Deep Purple, Steve Perry, Mercury, Ann Wilson, Sam Cooke, Jackie Gleason, Bruce Dickinson, Bono, Rod Stewart, Paul McCartney, James Hetfield, KD Lang, Don Henley

Nestor: Serj Tankian from the "System Of A Down" alternative-metal band

leo72891: hayley williams of paramore

chillininlb812: nice somebody finally said corey taylor hes deff one of the greatest out there and so is matt shadows from avenged sevenfold and matt tuck from bullet for my valentine but id have to say corey taylor is my top choice and hes a great lyricist also

just a female: OZZY OSBOURNE ,