Oswald the Lucky Rabbit time, Felix the Cat and Krazy Kat. Universal was given the right to name the rabbit and it selected a name out of a hat. The first Oswald cartoon, "Poor Papa", was rejected by the Universal studio heads for its poor production quality and the sloppiness and age of Oswald. Disney, together with Iwerks, decided to create a second cartoon titled "Trolley Troubles" featuring a much younger, neater Oswald. The short, released on September 5, 1927, officially launched the series and proved to be Disney's greatest success to date. The storyline for Poor Papa was reused in a Mickey Mouse
The Walt Disney Company with Disney as a production partner. Walt and Roy Disney formed Disney Brothers Cartoon Studio that same year. More animated films followed after Alice. In January 1926, with the completion of the Disney studio on Hyperion Street, the Disney Brothers Studio's name was changed to the Walt Disney Studio. After the demise of the "Alice" comedies, Disney developed an all-cartoon series starring his first original character, Oswald the Lucky Rabbit, which was distributed by Winkler Pictures through Universal Pictures. The distributor owned Oswald, so Disney only made a few hundred dollars. Disney completed 26 "Oswald" shorts before losing the contract