From Wikipedia, the free encyclopedia. Klay Hall is an American animation director who is credited on multiple television series and feature films. He directorial career is noteworthy because of his having directed both traditional 2d long-form animation, and 3d (cgi) long-form animation. Klay launched his animation career on "Amazing Stories," "Cool World," and "Mighty Mouse: The New Adventures," before working as director on "The Simpsons," and "Family Dog." Klay later... see more