Famous aliases – "Carlos Danger" -- Former Rep. Anthony Weiner used the online alias when sending a woman an explicit photo online, according to TheDirty.com.
Famous aliases – "Sasha Fierce" -- An alter ego Beyoncé used for years. But in 2010, she told Allure magazine, "Sasha Fierce is done. I killed her," according to mtv.com.
Famous aliases – "Deep Throat" -- The best known alias in political history. W. Mark Felt, associate director of the FBI, leaked information about the Watergate break-in to reporters Bob Woodward and Carl Bernstein of the Washington Post, and kept his identity secret for more than 30 years, until 2005.
Famous aliases – In 1993, to break off from his Warner Bros. label, Prince officially changed his name to an unpronounceable symbol. Eventually, after his contract expired, he changed it back -- and in 2004 was No.1 on Rolling Stone's list of top moneymakers.
Famous aliases – "Robert Galbraith" -- Think of it as an invisibility cloak. "Harry Potter" creator J.K. Rowling wrote a new novel, "The Cuckoo's Calling," under the fake name, before recently admitting she was the author -- and seeing sales skyrocket.
Famous aliases – "Lou Sarah" -- In 2010, the Wonkette blog reported that former Alaska Gov. Sarah Palin had apparently created a second Facebook account under the assumed name, then liked things on Palin's page. Palin's middle name is Louise.
Famous aliases – "Chris Gaines" -- Sometimes a name is more than a name. In 1999, country singer Garth Brooks created this short-lived alter ego for a pop album, complete with a TV special.
Famous aliases – "Ron Mexico" -- In 2005, The Smoking Gun reported that a woman suing NFL star Michael Vick for allegedly giving her herpes said he used the alias for testing. The suit was settled before the dog-fighting scandal that led to his serving prison time.
Famous aliases – "Art" -- The Rev. Ted Haggard, then president of the National Association of Evangelicals, resigned in 2006 and admitted getting a massage and drugs from a male escort. His middle name is Arthur, and he used the name "Art," according to the escort.
Famous aliases – "Tony Clifton" -- The lazy, chauvinistic alter ego of Andy Kaufman. In character, he would go off on rants against anyone in his path -- including the audience and his real-life self.