Black Metal : Abbath, Varg, Nortt, Nergal, Herr Morbid, M. Österberg, Valfar
Death Metal : Chris Hutto, Mikael Åkerfeldt, Koh/Yu-Ki, the vocalist that isn't Antimo Buonnano in Disgorge (Mex), Joe Wolfe, Jeremy Swanson, Shaun LaCanne, Blue Jensen, any of the guys in Exhumed.
Thrash : Old James Hetfield, the guys from Demolition Hammer (they all did vocals), other people (not good with names)
Doom: The guys in Ahab, Lee Bullock, Niko Skorpio, guys in Isole, Xathagorra Mlandroth, Pasi Koskinen, Johan Ericson...and who could forget Maggotworm Incinerator Abscess & Grubgorge Pestilent Diarrhoeator?
Death Metal : Chris Hutto, Mikael Åkerfeldt, Koh/Yu-Ki, the vocalist that isn't Antimo Buonnano in Disgorge (Mex), Joe Wolfe, Jeremy Swanson, Shaun LaCanne, Blue Jensen, any of the guys in Exhumed.
Thrash : Old James Hetfield, the guys from Demolition Hammer (they all did vocals), other people (not good with names)
Doom: The guys in Ahab, Lee Bullock, Niko Skorpio, guys in Isole, Xathagorra Mlandroth, Pasi Koskinen, Johan Ericson...and who could forget Maggotworm Incinerator Abscess & Grubgorge Pestilent Diarrhoeator?