The ranking on these amazing singers & players change from day to day and it was damn hard enough to get the list down to 20... ;)
(names in red=I've seen them live)

1
ROB HALFORD
JUDAS PRIEST/FIGHT
2
JOE LYNN TURNER
RAINBOW/DEEP PURPLE
3
RONNIE ATKINS
PRETTY MAIDS
4
DAVID COVERDALE
WHITESNAKE/DEEP PURPLE
5
PAUL STANLEY
KISS
6
BOB CATLEY
MAGNUM
7
DAVE MENIKETTI
Y&T
8
TONY HARNELL
TNT/WESTWORLD/STARBREAKER
9
FREDDIE MERCURY
QUEEN
10
IAN GILLAN
DEEP PURPLE/GILLAN/BLACK SABBATH
11
STEVE PERRY
JOURNEY
12
RONNIE JAMES DIO
RAINBOW/BLACK SABBATH/DIO
13
GLENN HUGHES
DEEP PURPLE/PHENOMENA/BLACK SABBATH
14
SAMMY HAGAR
VAN HALEN/CHICKENFOOT
15
PHIL LYNOTT
THIN LIZZY
16
JOE ELLIOTT
DEF LEPPARD
17
RICHIE SAMBORA
RICHIE SAMBORA/(BON JOVI)
18
GEOFF TATE
QUEENSRYCHE
19
JEFF SCOTT SOTO
YNGWIE MALMSTEEN/TALISMAN
20
TOMMY SHAW
STYX/DAMN YANKEES

 

1
RITCHIE BLACKMORE
DEEP PURPLE/ RAINBOW
2
ACE FREHLEY
KISS
3
GARY MOORE
THIN LIZZY
4
GLENN TIPTON / K.K. DOWNING
JUDAS PRIEST
5
JOHN SYKES
THIN LIZZY/WHITESNAKE/BLUE MURDER
6
EDDIE VAN HALEN
VAN HALEN
7
SCOTT GORHAM / BRIAN ROBERTSON
THIN LIZZY
8
TONY IOMMI
BLACK SABBATH
9
RICHIE SAMBORA
BON JOVI
10
ANDY LA ROCQUE
KING DIAMOND
11
YNGWIE MALMSTEEN
ALCATRAZZ
12
CRISS OLIVA
SAVATAGE
13
NEAL SCHON
JOURNEY/BAD ENGLISH
14
MICHAEL SCHENKER
UFO/SCORPIONS/M.S.G.
15
KEN HAMMER
PRETTY MAIDS
16
JAKE E. LEE
OZZY OSBOURNE/BADLANDS
17
TONY CLARKIN
MAGNUM
18
JIMMY PAGE
LED ZEPPELIN
19
DAVE MENIKETTI
Y&T
20
RONNIE LE TEKRO
TNT

 

1
PHIL LYNOTT
THIN LIZZY
2
STEVE HARRIS
IRON MAIDEN
3
GLENN HUGHES
DEEP PURPLE/PHENOMENA/BLACK SABBATH
4
BILLY SHEEHAN
DAVID LEE ROTH/MR. BIG/THE WINERY DOGS
5
GENE SIMMONS
KISS
6
GEEZER BUTLER
BLACK SABBATH/OZZY OSBOURNE
7
RUDY SARZO
OZZY OSBOURNE/QUIET RIOT/WHITESNAKE/DIO
8
EDDIE JACKSON
QUEENSRYCHE
9
PETE WAY
UFO/WAYSTED
10
MICHAEL ANTHONY
VAN HALEN/CHICKENFOOT
11
NEIL MURRAY
WHITESNAKE/BLACK SABBATH/GARY MOORE
12
ROGER GLOVER
DEEP PURPLE/RAINBOW
13
PHILIP KENNEMORE
Y&T
14
IAN HILL
JUDAS PRIEST
15
JACK BLADES
NIGHT RANGER/DAMN YANKEES
16
BOB DAISLEY
OZZY OSBOURNE/RAINBOW/GARY MOORE
17
RICK SAVAGE
DEF LEPPARD
18
NIKKI SIXX
MÖTLEY CRUE/SIXX A.M. /BRIDES OF DESTRUCTION
19
JOHNNY LEE MIDDLETON
SAVATAGE/TRANS-SIBERIAN ORCHESTRA
20
TONY FRANKLIN
THE FIRM/BLUE MURDER/WHITESNAKE

 

1
JON LORD
DEEP PURPLE/WHITESNAKE
2
MARK STANWAY
MAGNUM
3
JON OLIVA
SAVATAGE/JON OLIVA'S PAIN
4
DAVID PAICH
TOTO
5
DON AIREY
RAINBOW/OZZY OSBOURNE/DEEP PURPLE/GARY MOORE
6
DAVID BRYAN
BON JOVI
7
JONATHAN CAIN
JOURNEY/BAD ENGLISH/THE BABYS
8
ROY BITTAN
BRUCE SPRINGSTEEN/MEAT LOAF
9
STEVE WALSH
KANSAS/STREETS
10
KEN HENSLEY
URIAH HEEP
11
TUOMAS HOLOPAINEN
NIGHTWISH
12
MIC MICAELI
EUROPE/GLENN HUGHES/BRAZEN ABBOT
13
TONY CAREY
RAINBOW
14
ALAN FITZGERALD
NIGHT RANGER
15
DARREN WHARTON
THIN LIZZY/DARE
16
STEVE PORCARO
TOTO
17
JIM PETERIK
SURVIVOR/PRIDE OF LIONS
18
RAY COBURN
HONEYMOON SUITE
19
ANDRE ANDERSEN
ROYAL HUNT
20
PAUL RAYMOND
UFO

 

1
ERIC SINGER
KISS/GARY MOORE/BLACK SABBATH/ALICE COOPER
2
IAN PAICE
DEEP PURPLE/WHITESNAKE7GARY MOORE
3
BRIAN DOWNEY
THIN LIZZY
4
ALLAN TSCHICAJA
PRETTY MAIDS
5
TICO TORRES
BON JOVI
6
SIMON PHILLIPS
TOTO
7
COZY POWELL
RAINBOW/BLACK SABBATH/WHITESNAKE
8
JOHN BONHAM
LED ZEPPELIN
9
SCOTT ROCKENFIELD
QUEENSRYCHE
10
TOMMY LEE
MÖTLEY CRUE
11
MIKKEY DEE
KING DIAMOND/MOTÖRHEAD
12
MAX WEINBERG
BRUCE SPRINGSTEEN/MEAT LOAF
13
ALEX VAN HALEN
VAN HALEN
14
KENNY ARONOFF
JOHN MELLENCAMP
15
MICK TUCKER
THE SWEET
16
SIMON KIRKE
FREE/BAD COMPANY
17
BOBBY RONDINELLI
RAINBOW/BLACK SABBATH/AXEL RUDI PELL
18
CHARLIE WATTS
THE ROLLING STONES
19
HARRY JAMES
THUNDER/MAGNUM
20
STEVE SMITH
JOURNEY

 

 

...and yes there are a couple of giants missing and that explains my headache ;)