" Jerry thought of Dean as a brother, but in time, tempers and egos flared in the partnership, leading to their headline-making breakup in 1956, exactly ten years after they had joined forces. People worried what would become of Dean Martin, but Jerry Lewis flourished in his first solo films: The Delicate Delinquent, The Sad Sack, Rock-a-Bye Baby, and Don't Give Up the Ship. His directors include such comedy pros as Taurog and Frank Tashlin. Eventually, Lewis decided that he wanted to write and direct his own films. As a steady and stellar money-maker for Paramount, no one at the studio was prepared to stand in his way. His first effort was his most daring: The Bellboy, "

― Leonard Maltin , Great Movie Comedians