"Louis Francis Cristillo", known by the stage name "Lou Costello", was an American actor and comedian best remembered for the comedy double act of Abbott and Costello, with Bud Abbott. Costello played a chubby, bumbling character. He was known for the catchphrases "Heeeeyyy, Abbott!" and "I'm a baaaaad boy!"If you enjoy these quotes, be sure to check out other famous comedians! More Lou Costello on Wikipedia.