Louis Francis Cristillo, better known as Lou Costello, was an American comedian, actor and producer. He was best known for his double act with Bud Abbott and their routine "Who's on First?".
Abbott and Costello appeared in 36 films from 1940 to 1956 and were among the most popular and highest paid entertainers in the world during World War II. Among their most popular films are Buck Privates, Hold That Ghost, Who Done It?, Pardon My Sarong, The Time of Their Lives, Buck Privates Come Home, Abbott and Costello Meet Frankenstein and Abbott and Costello Meet the Invisible Man.
