Under the direction of Leon Schlesinger, Warner Bros. released their first cartoon on April 1, 1930. With it's finely-tuned and orchestrated mayhem, Warner Bros. studios emerged by the 1940's as the dominant studio in animation short subjects. During the next twenty years Warner Bros. created many timeless characters including: Porky Pig, Daffy Duck, Bugs Bunny, Elmer Fudd, Yosemite Sam, Tweety, Sylvester, Marvin Martian, and Pepe LePew who now claim international recognition.