We’re all of the General Mills commercials with the Trix Rabbit Sonny the Cuckoo bird and Lucky from Lucky Charms animated b Jay Ward the people who did Rocky and Bullwinkle Peabody and Sherman George of the jungle Tennessee Tuxedo and UnderDog because a matter of fact Tennessee Tuxedo and Chumly appeared in a General Mills commercial back then and come to think of it General Mills might be their sponsor exactly like Kellogg’s was the sponsor for Hanna Barbera cartoons like Huckleberry Hound Yogi Bear Quick Draw McGraw and the other Hanna Barbera cartoons I know Jay Ward did animate the Captain Crunch commercials with legendary Hanna Barbera voice actor Daws Butler voicing Captain Crunch