Scrappy-Doo is a Great Dane puppy and the nephew of Scooby-Doo. This dog is quite headstrong and always wants to face off in a fight against the various villains. Once he became a lobster in Slippery Dan the Escape Man episode, but as you see - he isn't nervous about that. Scrappy-Doo Lobster Sticker - be confident as this dog in a red lobster shell.