There are several famous Guitarists in the world. A few of the guitarists are Tom Morello, John Mayer, and Slash.
Jimmy Page
He is a guitarist but I don't think that he is that famous guitarist.
Tommy Castro is an American blues and rock guitarist and singer. He is known as and most notably famous for being a part of the Dixie Chicks' band as a guitarist.
A guitarist that is famous is Joe Satriani or Steve Vai.
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Lindsey Buckingham is famous as a singer and guitarist. He is probably most well known for his time as as the lead guitarist and one of the lead singer's for Fleetwood Mac.
jimi hendrix Eddie Van Halen
Pablo Picasso painted The Old Guitarist.
There are multiple famous people called "David Gonzales". There is for example a cartoonist, guitarist and a football player with the name David Gonzales.
Lincoln Brewster is a songwriter, vocalist, guitarist, percussionist and a pastor. He is famous for his skills as a guitarist in the early 1990s where he was frequently sought after for the role.
Jay Graydon was never married. He was a famous guitarist, song writer and singer.
Dweezil Zappa is most famous for being an American guitarist that made records with various bands. He is also the son of musician Frank Zappa and at one point worked for MTV.