Louis Francis Cristillo, known by the stage name Lou Costello, was an American actor of radio, stage, television and film and burlesque comedian best remembered for the comedy double act of Abbott and Costello, with Bud Abbott. They started in burlesque, before showcasing their routines on radio, on Broadway, and in Hollywood films between 1940–1956. Costello played a bumbling character opposite Abbott's straight man. He was known for the catchphrases "Heeeeyyy, Abbott!" and "I'm a baaaaad boy!"
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Comedian
