Sludge Monster from the Earth's Core

"The Sludge Monster from the Earth's Core" redirects here. For the episode look here.

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Mr. Buckston

The Sludge Monster from the Earth's Core was the disguise of Mr. Buckston, who used it to rob his own bank.

Appearances

• A Pup Named Scooby-Doo - The Sludge Monster From The Earth's Core