02/07/2012 05:26 pm ET Updated Feb 08, 2012

Stars' Real Names vs. Celebrity Pseudonyms (PHOTOS)

What's in a name? Well, when it comes to a celebrity's moniker, there could be more than a few zeros riding on it.

From Old Hollywood icons whom we couldn't imagine having a different signature to new talent seeking a catchy pseudonym, a surprising number of celebrities have opted out of the names given to them by dear old mom and dad.

Elizabeth Grant is hoping to make it big as Lana Del Rey. Elton John ditched his birth name, Reginald Kenneth Dwight, before being knighted. And can you imagine calling funny man Chevy Chase "Cornelius Crane Chase"? Now, that's a mouthful.

Check out these celebrities who've ditched their birth-given names for the sake of show business: