Original Appearances: Ruff and Reddy (Hanna-Barbera, December 1957-October 1960)
Other Appearances: Ruff and Reddy comic books, cameos in many other Hanna-Barbera programs, and a bunch of other merchandise.
Biography: Reddy, a less than intelligent dog, teamed up with brainy cat Ruff and the kindly Professor Gismo to deal with a variety of evil-doers and no-goodniks, such as Killer and Diller, Captain Greedy, Salt Water Daffy, and many others.
Group Affiliation: Unnamed group also comprised of Ruff and Professor Gismo
Miscellaneous: Ruff and Reddy was the first TV cartoon series marketed by Hanna-Barbera.