This may come as a surprise to you - but sometimes celebrities don't use their real names. But I would never do that to you - my real name is Nate Bird. There is a pretty long list of stars in Hollywood though who have fooled us for years. Here are the real names of your favorite celebrities. There are even more with pictures at Huffingtonpost.

Freddie Mercury - Farrokh Bulsara

Michael J. Fox - Michael Andrew Fox.

Chuck Norris - Carlos Norris and he just turned 74 the other day.

Audrey Hepburn - Edda Kathleen van Heemstra Hepburn-Ruston.

Lorde - Ella Maria Lani Yelich-O'Connor.

George Michael - Georgios Kyriacos Panayiotou.

Courtney Love - Love Michelle Harrison.

Stevie Wonder - Stevland Hardaway Judkins.

Téa Leoni - Elizabeth Téa Pantaleoni.

Hulk Hogan - Terry Gene Bollea.

Lea Michele - Lea Michele Sarfati.

Pink - Alecia Moore.

Nicki Minaj - Onika Tanya Maraj.

Bruno Mars - Peter Gene Bayot Hernandez.

Faith Hill - Audrey Perry.

Cher - Cheryl Sarkisian.

Portia De Rossi - Amanda Lee Rogers.

Adele - Adele Laurie Blue Adkins

Demi Moore - Demetria Gene Guynes.

Natalie Portman - Natalie Hershlag.

Louis C.K. - Louis Szekely.

Elton John's - Reginald Kenneth Dwight.

Carmen Electra - Tara Leigh Patrick.

Pat Benatar - Patricia Mae Andrzejewsi.

Michael Caine - Maurice Joseph Micklewhite.

Meg Ryan's - Margaret Hyra.

Miley Cyrus - Destiny Cyrus.

Dakota Fanning - Hannah Fanning.

Steven Tyler - Steven Tallarico.

Tina Fey's - Elizabeth Stamatina Fey.

Joaquin Phoenix - Joaquin Bottom.

Tina Turner - Anna Mae Bullock.

Vin Diesel - Mark Vincent.

Jamie Foxx's - Eric Marlon Bishop.

Tom Cruise - Tom Mapother.

Ben Kingsley - Krishna Pandit Bhanji.

Olivia Wilde  - Olivia Cockburn.