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
Oswald the Lucky Rabbit Hugh Harman and Rudolf Ising asked Universal head Carl Laemmle to remove Mintz, suggesting they would be the ones to continue the Oswald series. But Laemmle denied their requests and even terminated Mintz's contract, opting to have the Oswald cartoons produced right on the Universal lot instead. By a coincidence, Disney and Mintz each produced nine cartoons the first year and 17 the next, before Oswald was taken over by others. Laemmle selected Walter Lantz to produce the new series of Oswald shorts (the first of which was 1929's "Race Riot"). Lantz consulted Disney about Oswald and he gave Lantz