The animation in the clip on that site was actually made by my father. I find it kind of irritating that those commenting on the site are like "derp herp, Chuck Jones made it." No. It was Ken Mundie.
"YES WE CAN!
A 30-second, full animation commercial produced for Kellogg cereals was intended to celebrate the U.S. Bicentennial. It was created in collaboration with Ken Mundie, who directed the film and animated it with Paul Jessel and our staff."
Source - Inside Design A Review: 40 Years of Work by Morton Goldsholl