Ub Iwerks was considered by many to be Walt Disney's oldest friend, and spent most of his career with Disney. The two met in 1919 while working for the Pesmen-Rubin Art Studio in Kansas City."Hand Behind The Mouse" is the story of Ub Iwerks and his contributions to Disney and to animation. Narrated by Kelsey Grammer and written and produced by his daughter, Leslie Iwerks. The Documentary is a loving and insightful look into the life of one of the great innovators and animators of our time, and the creator of the Mickey Mouse character.