Scooby-Doo featuring episodes of Hanna-Barbera's new "Richie Rich" cartoon, adapted from the Harvey Comics character. From 1982 to 1983, "Scooby-Doo and Scrappy-Doo" were part of "The Scooby-Doo/Scrappy-Doo/Puppy Hour", a co-production with Ruby-Spears Productions which featured two "Scooby and Scrappy" shorts, a "Scrappy and Yabba-Doo" short featuring Scrappy-Doo and his Western deputy uncle Yabba-Doo, and "The Puppy's New Adventures", based on characters from a 1977 Ruby-Spears TV special. Beginning in 1980, a half-hour of reruns from previous incarnations of "Scooby-Doo" were broadcast on ABC Saturday mornings in addition to first-run episodes. Airing under the titles "Scooby-Doo Classics", "Scary Scooby Funnies", "The Best
Scooby-Doo (character) series and movies. Scooby has a speech impediment and tends to pronounce most words as if they begin with an "R"; however, most characters are able to understand him almost perfectly. In most iterations, he keeps his sentences relatively short, usually using charades for anything longer than three or four words. His catchphrase, usually howled at the end of every production, is "Scooby-Dooby-Doo!" or "Rooby-Rooby-Roo". Scooby was voiced by Don Messick through "Arabian Nights" in 1994, after which point Messick quit smoking; quitting smoking changed his voice and prevented him from achieving the same raspy vocal effect (despite Messick's efforts,