JOE SATRIANI
Joe "Satch" Satriani (born in Westbury, New York, USA, July 15, 1956) is a guitarist and guitar teacher. He started his career since the age of 12 years. Some of his students who have become famous are Steve Vai and Kirk Hammett. He is famous for putting his songs on the Internet, and many people love the songs he plays.
He was my favorite guitarist even before I learned to play the guitar. He has always been my musical inspiration. The songs are good enough to hear and skill in my opinion is the greatest in the world.
STEVE VAI
Steve Vai ( born June 6, 1960) is an American guitarist, composer, singer, songwriter, and producer. He was voted the 10th "Greatest Guitarist" by Guitar World magazine, and has sold over 15 million records. A three-time Grammy Award winner and fifteen-time nominee, Vai started his music career in 1978 at the age of 18 as a transcriptionist for Frank Zappa, and joined his band from 1980 to 1983. He embarked on a solo career in 1983 and has released eight solo albums to date. He has recorded and toured with Alcatrazz, David Lee Roth, Whitesnake, as well as having recorded with artists such as Mary J. Blige, Spinal Tap, and Ozzy Osbourne. Additionally, Vai has toured with live-only acts G3, Zappa Plays Zappa, the Experience Hendrix tour, as well as headlining international tours.
YNGWIE MALMSTEEN
Yngwie Malmsteen ( born Lars Johan Yngve Lannerbäck; 30 June 1963) is a Swedish guitarist and bandleader. Malmsteen first became known in the 1980s for his neoclassical metal playing style in heavy metal. In 2009, Time magazine rated Malmsteen as among the 10 greatest electric guitar players of all time.
The fastest guitarist I think. With the highest level of skill ability combined with the speed of his fingers, it is not wrong if he becomes my idol in guitar playing, I am always inspired by his very fierce melody
JOHN PETRUCCI
John Petrucci (born July 12, 1967) is an American guitarist, composer and producer. He is best known as a founding member of the progressive metal band Dream Theater. With his former bandmate Mike Portnoy, he has produced all Dream Theater albums from 1999's Metropolis Pt. 2: Scenes from a Memory to 2009's Black Clouds & Silver Linings, and has been the sole producer of the band's albums released since Portnoy's departure in 2010. Petrucci was named as the third player on the G3 tour six times, more than any other invited guitarist. Joel McIver's 2009 book The 100 Greatest Metal Guitarists ranks Petrucci second, after Dave Mustaine. He was also named as one of the "Top 10 Greatest Guitar Shredders of All Time" by GuitarOne magazine. In 2012, Petrucci was ranked the 17th greatest guitarist of all time by a Guitar World magazine reader's poll.
Source : Wikipedia