Tugboat Granny is a "Merrie Melodies" cartoon animated short starring Tweety and Sylvester. Released June 23, 1956, the cartoon is directed by Friz Freleng. 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.