Animation A scene from "Krazy Kat and Ignatz Mouse at the Circus" MPEG Format (26.2 MB) Help With Video Credits Krazy Kat and Other Cartoon Characters Krazy Kat was just the beginning of the trend toward animal heroes in animation. In the 1920s, Felix the Cat was introduced, and he was the most famous cartoon personality until Walt Disney introduced Mickey Mouse in 1928. Today, Mickey Mouse is known around the world. How do you think Krazy Kat influenced the cartoon characters we have today? page 3 of 3 Library Of Congress | Legal Notices | Privacy | Site Map | Contact Us VIDEO CREDIT: Searl, Leon, animator. "Krazy Kat and Ignatz Mouse at the Circus." International Film Service, Inc., 1916. Origins of American Animation, Library of Congress.