I think each film I do has less and less dialogue. It really helps a lot for foreign sales, because when I go to Europe, there's very little problem with communication. All the gags are visual. The music they can understand, and it helps communicate a lot better.
Bill Plympton (born April 30, 1946) is an American animator, graphic designer, cartoonist, and filmmaker best known for his 1987 Academy Award-nominated animated short Your Face and his series of shorts Guard Dog, Guide Dog, Hot Dog and Horn Dog. Wikipedia