- This article is about Mystery Incorporated from the theatrical film incarnation. For other incarnations, see Mystery Incorporated (disambiguation).
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Mystery Incorporated (Mystery, Inc.) is the gang of adult amateur slueths who come from Coolsville.
- Former members
The gang unmasks Old Man Smithers as the Luna Ghost. After the mystery, the gang breaks up, due to Daphne mistreating Velma. Shaggy and Scooby both decide to keep the Mystery Machine and live on the beach. The gang stays apart until the members each receive a letter about a mystery from Spooky Island. They had to find out what was causing the misbehavior of the college students. They find out their old gang member, Scrappy-Doo, was taking the spirits of all of the Spooky Island visitors to get revenge on Mystery Inc for kicking him out of the group.
Scooby-Doo 2: Monsters Unleashed
The gang has to find out who has been steaing the costumes at the museum and who was the real Pterodactyl Ghost. Meanwhile, a TV reporter has been humiliating the gang for them not being able to save the museum visitors. In the end, they find out that the person stealing the costumes was the TV reporter who was Professor Jonathan Jacobo. And they defeated all of the monsters that he created from their costumes.