So, the list... The 10 best Metal Guitarist of All Time, by gibson.com 

10- George Lynch (Dokken)
9- Dave Murray, Adrain Smith (Iron Maiden)
8- Adam Jones (Tool)
7- Zakk Wylde (Ozzy Osbourne, Black Label Society)
6- Eddie Van Halen (Van Halen)
5- Dimebag Darell (Pantera, Damageplan)
4- John Petrucci (Dream Theater)
3- Randy Rhoads (Ozzy Osbourne)
2- Kirk Hammett (Metallica ) <3 (lol, sorry but this dude is like... AMAZING)
1- Tony Iommi (Black Sabbath)