Discover what Bill Clinton, John Wayne, and others were called before their names were changed.

There are plenty of reasons to change your name — especially when you’re in the public eye. Maybe your birth name is too hard to pronounce, too long, or in some cases, already belongs to somebody else.

Whatever the reason, there are a surprising number of well-known figures throughout history and into the present day who aren’t quite who you think they are — or at least aren’t using the names their mommas gave them.

Here are 25 famous people that don’t use their real names. And in some instances, it’s plain to see why.

For more on some of the people above, discover the fascinating story of Mata Hari and check out 25 of the most incredible George Orwell quotes.

Gerald Ford, born Leslie Lynch King Jr.

Bob Dylan, born Robert Allen Zimmerman

Albert Brooks, born Albert Einstein

John Wayne, born Marion Robert Morrison

Bill Clinton, born William Jefferson Blythe III

Woody Allen, born Allan Stewart Konigsberg

Annie Oakley, born Phoebe Ann Moses

Stevie Wonder, born Steveland Hardaway Judkins

George Orwell, born Eric Arthur Blair

Whoopi Goldberg, born Caryn Johnson

Pelé, born Edson Arantes do Nascimento

Gene Simmons, born Chaim Witz

Mata Hari, born Margaretha Geertruida Zelle

Cary Grant, born Archibald Alexander Leach

Alan Alda, born Alphonso Joseph d’Abruzzo

Anne Rice, born Howard Allen O’Brien

Hedy Lamarr, born Hedwig Eva Maria Kiesler

Helen Mirren, born Ilyena Lydia Vasilievna Mironov

Jack Palance, born Volodymyr Palahniuk

Michael Keaton, born Michael Douglas

Kirk Douglas: born Issur Danielovitch Demsky

Kareem Abdul Jabbar, born Ferdinand Lewis Alcindor, Jr.

Jane Seymour, born Joyce Penelope Wilhelmina Frankenberg

Michael Caine, born Maurice Micklewhite

Dusty Springfield, born Mary Isobel Catherine Bernadette O’Brien

Michael Landon, born Eugene Maurice Orowitz

Judy Garland, born Frances Ethel Gumm