Scooby-Doo the series and the billing, in an attempt to boost "Scooby-Doo"s slipping ratings. The 1979–80 episodes, aired under the new title "Scooby-Doo and Scrappy-Doo" as an independent half-hour show, succeeded in regenerating interest in the show. Lennie Weinrib voiced Scrappy in the 1979–80 episodes, with Don Messick assuming the role thereafter. Marla Frumkin replaced Pat Stevens as the voice of Velma mid-season. As a result of "Scooby-Doo and Scrappy-Doo's" success, the entire show was overhauled in 1980 to focus more upon Scrappy-Doo. At this time, Scooby-Doo started to walk and run anthropomorphically on two feet more often, rather than on
Scooby-Doo (character) to people. Scooby is vulnerable and lovable and not brave, and very much like the kids who watch. But like kids, he likes to think that he's brave." Scooby-Doo (character) Scoobert "Scooby" Doo is the eponymous character and protagonist of the animated television franchise of the same name created in 1969 by the American animation company Hanna-Barbera. Scooby-Doo is a male Great Dane and lifelong companion of amateur detective Shaggy Rogers, with whom he shares many personality traits. Named after a nonsense vocal line in Frank Sinatra's hit song "Strangers in the Night", he features a mix of both canine