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 of the Lost Sheep", an even more major makeover took place: the character was drawn more realistically now, with white fur rather than black, shoes are removed, plus wearing suspenders instead of a shirt and shorts. This new Oswald model was adapted directly from a non-Oswald character in another Lantz cartoon: the Cinecolor "Fox and the Rabbit" (1935), released some two months earlier as the last of the early Cartune Classics series. The redesign was done by Manuel Moreno. The cartoons containing the new, white-furred Oswald seemed to be different from their predecessors in more than one way, as the