Hanna-Barbera

Hanna-Barbera studios were the producers of Scooby-Doo. Jack Harkness believed that Scooby-Doo and the Reluctant Werewolf marked an absolute low in the output of the Hanna-Barbera studios. (PROSE: Slow Decay)

Behind the scenes
Hanna-Barbera's two founders, and, also created Tom and Jerry (before founding the company). The studio would later go on to create two TV shows featuring the characters: and.