The 13 Ghosts of Scooby-Doo (1985 - Current)

When a chest containing 13 of the worst ghosts in history is opened, it's up to Scooby, Shaggy, Daphne, Scrappy, and an orphan named Flim Flam aided by the sorcerer, Vincent VanGhoul (voiced by horror movie legend, Vincent Price) to stop them.