The Huckleberry Hound Show
The Huckleberry Hound Show is an American animated comedy television series produced by Hanna-Barbera Productions, and the second series produced by the studio following The Ruff and Reddy Show. The show first aired in syndication on September 29, 1958, and was sponsored by Kellogg's.
Source: Wikipedia — The Huckleberry Hound Show (CC BY-SA 4.0)