Runaway Brain is a 1995 American animated comedy horror short film produced by Walt Disney Feature Animation. Featuring Mickey Mouse, Minnie Mouse and Daisy Duck, the short centers on Mickey attempting to earn money to pay for an anniversary gifts for Minnie and Daisy. He responds to an advertisement to work for Doctor Frankenollie, only to find out that he is looking for a donor to switch brains with the monster he created. Featuring animation by animator Andreas Deja, it was first released in