Best guitarists
 

My fav tom morello mark knopler keith urban eddie van halen and george harrison who yours.

Eric Clapton, Stevie Ray Vaughn, & John Petrucci

My favorites in no order

Billy Gibbons
Brian May
Mark Knopfler
Joe Satriani
Kenny Wayne Shepherd
Guitar Shorty
Jimmy Thackery
Gary Hoey
Jimmy Page
Tony Iommi

Paul Gilbert
Dave Gilmore
Buckethead
Tom Morello
Steve Vai
EVH
and Victor Wooten and Les Claypool on Bass

EVH, Clapton, and BB King.

Warren DeMartini

Your title is best guitarists but your post says your favorites. I need to know which one before I answer. David Gilmour would probably be the only one on both lists for me.

Jimi Hendrix
Buckethead
Steve Vai
Michael Schenker
Paul Gilbert
Lincoln Brewster
Ian Baird (Alan Parsons Project)

Electric: Joe Satriani, Eric Johnson, EVH, Stanley Jordan, Yngwie Malmsteen, Steve Howe, Angus Young, Billy Gibbons, John Petrucci, Michael Wilton & Chris DeGarmo, the Brothers Schenker, Buckethead

Acoustic: Segovia, Andy McKee, Don Ross, Tommy Emmanuel, Preston Reed

EVH
Randy Rhodes
K.K. Downing
Glen Tipton
Michael Schenker
Rudolph Schenker
Wolf Hoffman
Gerhard Wahl
Mark Gallagher
"Dimebag" Darrell
Stevie Blaze

Jimi Hendrix
SRV
Glen Goings
Randy Rhodes
Tony Iommi - this guy is responsible for at least 20 of my favorite riffs.
Robert Cray
Robert Johnson

Jimi Hendrix Ezy Ryder/Star spangled banner (rare)
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Terraplane Blues - Robert Johnson
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EVH
Rhoads
Iommi
Lynch
Vai
Satriani
Zakk Wylde
Marty Friedman

My favorites in no particular order - Alex Lifeson, Dave Gilmore, Eric Johnson, Rik Emmett.

Wow, I'm surprised Lindsay Buckingham didn't make anyone's list...

no particular order

Stevie Ray Vaughn
Jeff Healey
Joe Satriani
Kenny Wayne Sheppard
Slash
Eddie Van Halen
Zakk Wylde
John Fogerty
Angus Young
Jimmy Page
Keith Richards
Chuck Berry