Mystery Museum

The Mystery Museum is a private collection of costumes and case memorabilia maintained by Velma Dinkley in a large home she owns.

Exhibits

 * Mechanical hawk (unknown case)
 * Snow Ghost costume
 * Wax Phantom costume
 * Frankenstein costume
 * Werewolf Ghost costume
 * Pumpkin-headed monster (possibly the Headless Horseman)
 * Charlie the Funland Robot
 * Demon (possibly from A Frightened Hound Meets Demons Underground)

Scooby-Doo (DC Comics)
Velma, Shaggy Rogers, and Scooby-Doo looked carefully at the labels on the costumes and found that many were made by the same company, which they decided to investigate. (Costume Caper)

Appearances

 * Scooby-Doo (DC Comics)
 * Costume Caper