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Gene Simmons of KISS

Real name: Chaim Weitz

(Photo by DON EMMERT/AFP/Getty Images)

Rock stars' real names

Born with a less than glamorous name, many of music's biggest artists have boosted their star potential by coming up with a new, more fame-friendly moniker.

Watch Stefani Joanne Angelina Germanotta (Lady Gaga) and Paul David Hewson (Bono) performing live on stage at "A Decade of Difference: A Concert Celebrating 10 Years of the William J. Clinton Foundation" on October 15, only on Yahoo!