Follow the Leader: Speed Buggy followed on Hanna-Barbera's meddling kids trend. The main cast follows roles similar to (but not exactly like note In direct comparison, Tinker and Speedy both have a very similar dynamic to Shaggy and Scooby. Debbie is the actual leader of this group, so technically you could say she is designed to look like Daphne but has the Fred role. Mark is designed to look like Fred but he himself is not the straight guy leader that Fred was. Mark is playing the Daphne & Velma to Debbie's Fred. While Tinker is the smart guy, he's also the coward. There are similarities but not close enough to be expies.) characters from Scooby-Doo, but the plots are more akin to Josie and the Pussycats.