Zoo is Company (1961)

Animation
Comedy

Loopy helps an elephant with a mouse problem and that mouse is Bigelow Mouse.

Cast

Loopy De Loop (voice)
Daws Butler
Driver / Painter / Elephant / Mouse (voice)
Doug Young

Crew

Director
Joseph Barbera
Producer
Joseph Barbera
Director
William Hanna
Producer
William Hanna
Story
Michael Maltese