Tugboat Granny is a 1956 Warner Bros. Merrie Melodies cartoon animated short directed by Friz Freleng. The short was released on June 23, 1956, and stars Tweety and Sylvester the Cat. The voices were performed by Mel Blanc and June Foray. The cartoon's title is a play on Tugboat Annie, and is the only cartoon in the Warner Bros. series to bear Granny's name. It joined Guided Muscle and The Grey Hounded Hare as the cartoons featured on the final episode of ABC's The Bugs Bunny & Tweety Show on September 2, 2000.