Zack Wylde
He's a badass. Check out some of his stuff with Ozzy,
epic riffs there. But
this one is pretty cool too. He wrote it for Dimebag Darrell, who was shot dead on stage during a concert.
Kirk Hammett-Metallica
James Hetfield-Metallica
Woop!
im gonna go with a bassist and say billy sheehan.
Billy is one of my favourite basists, besides David Ellefson (Megadeth) and Cliff Burton (Metallica)
Tommy
Tommy as in
Tommy Emmanuel? He's such a cool dude. Best classical guitarist i know of.