Goofy performing another song and dance show. Mickey and his gang's animated shorts by this point routinely featured song and dance numbers. It begins as a typical Mickey cartoon of the time, but what would set this short apart from all that had come before was the appearance of a new character, whose behavior served as a running gag. Dippy Dawg, as he was named by Disney artists (Frank Webb), was a member of the audience. He constantly irritated his fellow spectators by noisily crunching peanuts and laughing loudly, till two of those fellow spectators knocked him out with their mallets
Dippy (London) - including Berlin, Paris, Vienna, Bologna, St Petersburg and Madrid; one sent to Munich was never erected – as well as Mexico City and La Plata in Argentina, making Dippy the most-viewed dinosaur skeleton in the world. The cast in London quickly became an iconic representation of the museum, and has featured in many cartoons and other media, including the 1975 Disney comedy "One of Our Dinosaurs Is Missing". Dippy was taken to pieces and stored in the museum's basement during the Second World War to protect it from bomb damage, and reinstalled in the Reptile Gallery after the war.