Of course, tons of celebrities change their names, but here's fifteen interesting stories (including one about a comedian born 'Albert Einstein') of celebrities who have changed their names for one reason or another.
Funny, I always thought Whoopi Goldberg's original name was Yahoo Rosenblatt.
We have to agree: Caryn Johnson just isn’t as catchy as Whoopi Goldberg. The actress decided to give up her birth name when she started acting, and instead chose to go by her nickname, “Whoopee Cushion” (we’ll let you imagine how she got that name). Her mother convinced her to change her last name to something more conventional, and suggested Goldberg.
http://www.womansday.com/Articles/Family-Lifestyle/A-Star-Is-Born-Just-Not-with-That-Name.html - via mentalfloss