The Ruff and Reddy Show (1957)

The Ruff and Reddy Show is a Hanna-Barbera animated series starring Ruff, a straight and smart cat voiced by Don Messick, and Reddy, a dumb and stupid dog voiced by Daws Butler. First broadcast in December 1957 on NBC, it was the first television show produced by Hanna-Barbera and presented by Screen Gems, the television arm of Columbia Pictures.