The "Mystery Machine" is a fictional van featured in the animated television series Scooby-Doo. It is primarily used by a group of teenage characters, including Fred, Daphne, Velma, Shaggy, and their talking dog, Scooby-Doo, as they travel to solve mysteries involving supposedly supernatural creatures. The van is brightly colored, typically depicted in shades of blue and green with orange accents. It serves as both their transportation and a mobile headquarters, equipped with various gadgets and tools to help the gang uncover the truth behind the mysteries they encounter.