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Expansion This needs a stretch. (Feel free to remove when satisfied of completion.)
Needed:
* Physical appearance.
* Personality.
* History is incomplete.

For the main antagonist of Scooby-Doo! Night of 100 Frights, see Mastermind (Scooby-Doo! Night of 100 Frights).

Mastermind was a villain intent on world domination.

Physical appearance

Insert details here.

Personality

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History

The New Scooby-Doo Mysteries

Cecil unmasked

Cecil unmasked.

It was the mission of the Un-Doo-able team to stop him. His real identity was Cecil, a tour guide.

Appearances

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