The Walt Disney Company and starred in several Disney produced films. Ub Iwerks refined Disney's initial design of Mickey Mouse. Disney's first sound film "Steamboat Willie", a cartoon starring Mickey, was released on November 18, 1928 through Pat Powers' distribution company. It was the first Mickey Mouse sound cartoon released, but the third to be created, behind "Plane Crazy" and "The Gallopin' Gaucho". "Steamboat Willie" was an immediate smash hit, and its initial success was attributed not just to Mickey's appeal as a character, but to the fact that it was the first cartoon to feature synchronized sound. Disney used Pat Powers' Cinephone system,
Walt Disney Studios (Burbank) managed by Walt Disney Studios' Disney Studio Services unit – along with Golden Oak Ranch, The Prospect Studios, and KABC-7 Studio B. Disney has a secondary location at Grand Central Creative Campus, where Walt Disney Imagineering and some other units are located. Prior to the official opening of the Burbank lot in 1940, the Walt Disney Studios was situated at several different locations in Los Angeles. During summer 1923, Walt Disney created "The Disney Bros. Cartoon Studio" in his uncle Robert Disney's garage, which was located at 4406 Kingswell Avenue, in the Los Feliz neighborhood of Los Angeles (just east