Scrappy-Doo sock 'em!" Another of Scrappy-Doo's catchphrases is, "Ta dadada ta daaa! Puppy power!". He is also quite strong, capable of smashing down solid rock walls and carrying both Scooby and Shaggy over his head seemingly without effort. The character was created by Joseph Barbera and developed by writer Mark Evanier, who has acknowledged that Scrappy's personality was largely based on that of the "Looney Tunes" character Henery Hawk. In "Scooby-Doo Meets the Boo Brothers", "Scooby-Doo and the Ghoul School", and "Scooby-Doo and the Reluctant Werewolf", Scrappy is more toned down, as he is less feisty and a little more cowardly,
Scooby-Doo the predominantly skeptic oriented formula to that of most television dealing with paranormal themes, and considered that an adult analogue to "Scooby-Doo" would be a great public service. "Scooby-Doo" has maintained a significant fan base, which has grown steadily since the 1990s due to the show's popularity among both young children and nostalgic adults who grew up with the series. Several television critics have stated that the show's mix of the comedy-adventure and horror genres was the reason for its widespread success. As Fred Silverman and the Hanna-Barbera staff had planned when they first began producing the series, "Scooby-Doo"s ghosts,