Expansion This needs a stretch. (Feel to remove when satisfied of completion.)
* Physical appearance.
* Personality.
* History is incomplete.
Vital Statistics
Species Human
Gender Male
Hair color Brown
Eye color Black
Other Statistics
Occupation Tour guide (incarcerated)
Production Details
First appearance TNSDMysteries: Mission: Un-Doo-Able
Played by Pat Fraley

Cecil was the real identity of Mastermind.

Physical appearance

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The New Scooby-Doo Mysteries

Cecil unmasked

Cecil unmasked.

He acted as a tour guide, giving tours of the Statue of Liberty as cover for building a satellite transponder that would enable him to take over the world.



  • Daphne Blake still referred to Cecil by his codename of Mastermind, even after he was unmasked.

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