I forgot the late Darrel'dimebag' he was frikkin good.
Twiggy Ramirez - Marilyn Manson. Awesome guitarist
Replaced by
Tim Skold - Just as awesome.
Damn this is the HARDEST question, my favourite changes with my mood! :P
But to all these quoted below, good calls! All are greats, I would add a few more though:
Mr Gilmour from Pink Floyd
Pete Townsend from The Who
George Harrison - such an eccentric style of playing.
Mark Knofler
ZZ Top - ah ha ha ha hah!