One person got it right on here. There's a few at the top of my list.. Jeff Beck because he's so innovative and unique, so funky but so original, ask Jimmy Page who is favourite guitarist is, he'll let you know how much Beck rocks. Jimmy Page of course because he'll go all across the board of styles and work it right. Eric Clapton because nobody touches him in blues rock. And of course B.B. King, he's the king of blues for a reason.

And to whomever said James Hetfield.. I think you ment Kirk Hammett . And I feel Angus Young should be mentioned too!

All are my opinons.