U2:

Bono - Paul Hewson
The Edge - Dave Evans

Queen Latifah - Dana Owens

Bob Dylan - Robert Zimmerman

Motley Crue:

Vincent Neil - Vincent Neil Wharton
Mick Mars - Bob Deal
Nikki Sixx - Frank Feranna
Tommy Lee - Thomas Lee Bass

Alice Cooper - Vincent Furnier

Billy Idol - William Broad

I'm sure you can think of others!!

Okay, my go now:

Gene Vincent- Vincent Eugene Craddock
Billy Fury- Ronald Wycherly
Jet Harris- Terence Harris

Here's a few I know off hand

Stevie Wonder-Steveland Judkins

Rakim- William Michael Griffen Jr

Ice Cube- O'Shea Jackson

David Bowie - David Jones
Johnny Cash - J.R. Cash
Ray Charles - Ray Charles Robinson
Bob Dylan - Robert Zimmerman
Flea - Michael Balzary
Courtney Love - Courtney Michelle Harrison
Paul McCartney - James Paul McCartney
Freddie Mercury - Farrokh Bulsara
Dee Dee Ramone - Douglas Colvin
Joey Ramone - Jeffrey Hyman
Johnny Ramone - John Cummings
Tommy Ramone - Tamás Erdélyi
Ringo Starr - Richard Starkey
Cat Stevens - Steven Georgiou/Yusuf Islam
Sting - Gordon Sumner
Eddie Vedder - Edward Louis Severson III
Jack White - John Gillis
Stevie Wonder - Stevland Hardaway Judkins

Oh, I almost forgot...

Charlie T. Wilbury, Jr. - Tom Petty
Lefty Wilbury - Roy Orbison
Lucky Wilbury - Bob Dylan
Nelson Wilbury - George Harrison
Otis Wilbury - Jeff Lynne

;)

Some more:

Elton John - Reginald Kenneth Dwight
George Michael -Georgios Panayiotou
Steven Tyler - Stephen Tallarico
Shania Twain - Eileen Lange
Boy George - George O'Dowd

Kiss:

Paul Stanley - Stanley Eisen
Gene Simmons - Eugene Klein
Ace Frehley - Paul Daniel Frehley
Peter Criss - George Peter John Criscuola

Rush:

Geddy Lee - Gary Lee Weinrib
Alex Lifeson - Alexander Zivojinovich

Tiffany - born Tiffany Renee Darwish

June Carter Cash - born Valerie June Carter

Carlene Carter - born Rebecca Carlene Smith

Carole King - born Carol Klein

Axl Rose - born William Bruce Rose, Jr. (also has used stepfather's last name Bailey)

Slash - born Saul Hudson

Tiffany - born Tiffany Renee Darwish

June Carter Cash - born Valerie June Carter

Carlene Carter - born Rebecca Carlene Smith

Carole King - born Carol Klein

Axl Rose - born William Bruce Rose, Jr. (also has used stepfather's last name Bailey)

Slash - born Saul Hudson

Catlover, I love your siggy! That Gladys! You always knew when she was going to yell "ABNER, ABNER", and I never could resist yelling along with her!!

Ice Cube- O'Shea Jackson
N.W.A.
in addition to ice cube
Eazy-E: Eric Wright
Dr.Dre: Andre Young
MC REN: Lorenzo Patterson

Rick Springfield: Richard Lewis Springthorpe
Notorious B.I.G.: Christopher Wallace
Jam Master Jay: Jason Mizell
Jay-Z: Sean Carter
Diddy: Sean John Combs
Sting: Gordon Matthew Thomas Sumner

Led Zeppelin/John Paul Jones: John Baldwin

Bo Diddley: Elias McDaniel
Muddy Waters: McKinley Morganfield

N.W.A.
in addition to ice cube
Eazy-E: Eric Wright
Dr.Dre: Andre Young
MC REN: Lorenzo Patterson

Rick Springfield: Richard Lewis Springthorpe
Notorious B.I.G.: Christopher Wallace
Jam Master Jay: Jason Mizell
Jay-Z: Sean Carter
Diddy: Sean John Combs
Sting: Gordon Matthew Thomas Sumner

I don't know whay I didn't list the rest of N.W.A. I knew their names, but Cube's was the first that came to mind.

Black Sabbath/Ozzy Osbourne; John Michael Osbourne
Geezer Butler: Terry Butler

Conway Twitty - Harold Lloyd Jenkins
Hank Williams Jr. - Randall Hank Williams Jr.
Crystal Gayle - Brenda Gail Webb
Buck Owens - Alvis Edgar Owens
Tammy Wynette - Virginia Wynette Pugh
Patsy Cline - Virginia Patterson Hensley
Garth Brooks - Troyal Garth Brooks
Toby Keith - Toby Keith Covel
Freddy Fender - Baldemar Huerta
Charlie Daniels - Charles Edward Daniels

Iggy Pop: Jim Osterberg

Adrian Belew: Robert Steven Belew

Elvis Costello - Declan McManus

Black Sabbath:

Ozzy Osbourne: John Michael Osbourne
Tony Iommi: Frank Anthony Iommi
Geezer Butler: Terry (Terhence) Butler
Ronnie James Dio: Ronald James Padavona

KISS:

Paul Stanley: Stanley Eisen
Gene Simmons: Chaim Witz/Gene Klein
Ace Frehley: Paul Frehley
Peter Criss: George Peter John Criscuola
Vinnie Vincent: Vincent John Cusano
Eric Carr: Paul Charles Caravello

Blackie Lawless of W.A.S.P.: Steven Edward Duren

Guns N' Roses:

Axl Rose: William Bruce Rose
Slash: Saul Hudson
Dizzy Reed: Darren Arthur Reed
Izzy Stradlin: Jeffrey Dean Isbell
Duff McKagan: Michael Andrew McKagan

Pat Benatar: Patricia Andrzejewski
Jimi Hendrix: James Marshall Hendrix
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"I've got a baby's brain and an old man's heart." -- Alice Cooper