Not Rock. Not Extreme Metal Cookie Monster's. (seperate lists)
Not In Order
http://www.ranker.com/list/best-male-metal-vocals-of-the-past-20-years/scarcrifice,
Andi Deris
Helloween, Pink Cream 69
James LaBrie
Dream Theater
Michael Kiske
Helloween,Gamma Ray
Ralf Scheepers
Primal Fear
Roy Sætre Khantatat
Kamelot
Russell Allen
Symphony X
Tim 'Ripper' Owens
Iced Earth/Judas Priest
Tobias Sammet
Edguy/Avantasia
Jørn Lande
Jorn/Avantasia,Masterplan
Todd La Torre
Queensryche/Crimson Glory