Here is my complete list of favorite classic rock artists / bands. The first 10 or so in order, the rest is just random.
Led Zeppelin
Bob Dylan
The Who
Queen
Def Leppard
The Rolling Stones
The Beatles
AC / DC
Heart
Elton John
Billy Joel
The Grateful Dead
John Lennon (solo)
The Doors
David Bowie
Van Halen
Tom Petty And The Heartbreakers
Black Sabbath
The Beach Boys
Pink Floyd
Meat Loaf
Talking Heads
The Clash
The Ramones
Pat Benatar
The Eagles
Fleetwood Mac
Aerosmith
Guns N Roses
Journey
Foreigner
Styx
Paul McCartney (solo and with Wings)
The Allman Brothers
Alice Cooper
ZZ Top
Lynyrd Skynyrd
The Doobie Brothers
Jimi Hendrix
Janis Joplin
Nirvana
Pearl Jam
Ozzy Osbourne (solo)
Jefferson Airplane / Jefferson Starship / Starship
Stevie Nicks (solo)
Joni Mitchell
The Pretenders
Moody Blues
Boston
Eric Clapton (solo and with his various bands)
Santana
Creedence Clearwater Revival
Neil Young
Crosby, Stills & Nash (and Young)
U2 (though their new stuff is a mixed bag)
Jethro Tull
The Kinks
The Byrds
Blue Oyster Cult
Deep Purple
Steve Miller Band
The Guess Who
Yes
Chicago
Bad Company
The Animals
Rod Stewart
Bruce Springsteen
T-Rex
The Sex Pistols
Motley Crue
Bob Seger And The Silver Bullet Band
Elvis Presley
Chuck Berry
Genesis
Peter Gabriel
Phil Collins
INXS
The Police
Sting (solo)
Cheap Trick
Billy Idol
Stevie Ray Vaughn And Double Trouble
John Mellencamp
Bon Jovi
Steve Winwood (solo and with Traffic)
Dire Straits
Rush
George Harrison (solo)
Ringo Starr (solo)
The Yardbirds
Electric Light Orchestra
Emerson Lake And Palmer
Kansas
REO Speedwagon
Supertramp
Bob Marley & The Wailers
Kiss
The Hollies
The Edgar Winter Group
The Cars
Peter Frampton