Surprised no one mentioned EVH or SRV...
Zappa was on a whole 'nother level,
I was a Roadie and Stage Security for a few Kid Rock USO gigs overseas and got to hang out with his entourage...I don't care for his music but he was genuinely old school Allman Brothers/Lynyrd Skynyrd cool.
Samantha Fish is a stone cold badass.
Buddy Rich (https://www.youtube.com/watch?v=EFe0-pOp_wA)
Bonnie Raitt
John Prine (RIP)
Lowell George (RIP)
Robert Plant
Tal Winlkenfeld
Brian Ferry
Leon Russel (RIP)