Fun thread! Geez too many favs to name just one.
Robert Plant/Zep
-How many more times
-Since I've been loving you
-etc
Geoff Tate/Queensryche
-Queen of the reich
-Take hold of the flame
-etc.
Ian Gillan/Deep Purple
-Strange kind of woman
-Child in time
-etc.
But I concur with a few others that Halford takes the cake for me. No other like him!
-Dreamer deceiver
-Victim of changes
-Exciter
-etc, etc, etc, etc!
Geddy Lee was a great call too. He's got a few, Didacts is short but a fine scream none the less!