Scooby and the gang confront an anonymous masked villain who is plotting to take over the city of Coolsville by wreaking mayhem with a monster machine that creates Mystery Inc.'s classic foes.

Some were animated — such as the aforementioned Velma — others, live-action, including the two films from the early 2000s, Scooby-Doo and Scooby-Doo 2: Monsters Unleashed, starring Linda ...