My favorite guitarist list (Alphabetical order)

1.BB King ( America)
Style: Blues

2.Chet Atkins (America)
 Style:  Country, classical, Folk,Western swing

3.Dimebag Darrel(America)
Style: Heavy metal


4.Eric Clapton (England)
Style: Blues,Rock.

5.George Harrison(England)
Style: Rock, pop, experimental, world music

6. Joe Satriani (America)
Style: Rock, instrumental rock, hard rock,
          blues, heavy metal

7.John Petrucci(America)
 Style: Progressive metal, instrumental rock,
           progressive rock, jazz fusion

8. Kerry King(America)
 Style: Thrash metal


9. Marty Friedman(America)
 Style: Heavy metal and rock

10.Paul Gilbert(America)
  Style: Instrumental rock, heavy metal,hard rock,

11.Scott Henderson( America)
Style:Jazz Fusion and Blues

12.Yngwie Malmsteen(Sweden)
Style: Heavy metal, neo-classical metal.

Eddie Van Halen, John Frusciante, Chris Broderick, Mark Knopfler, Dave Weiner, George Lynch, Toni Iommi ,  Steve Vai, Zakk Wylde,Nuno Bettencourt,Tommy Emmanuel , Guthrie Govan, Al DiMeola and others I forgot for now (Too many gittars) :P