It's just a 'copy and paste' from http://www.ronthal.com links. :)
Some of them have quite a personal sound, so that you can tell them apart. Steve MORSE, with his real fast vibrato, is one of them Satch's long legato lines are a trademark etc. Of course, it's rather hard to really have a personality in the 'shred' department, unless you write some catchy tunes, because the 'up and down the scales/arpeggios' wears off pretty fast.
If I had to make a top ten, it would be (at this precise moment, subject to change any minute)
Allan HOLDSWORTH
Ron THAL
Django REINDHART
BB King
Dany GATTON
Mark KNOPFLER
Al Di MEOLA
Jim HALL
Stevie Ray VAUGHAN
Steve VAI