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Dr. Norman Sumpump is a chemical researcher.
He is a young Caucasian male with light brown hair. He wears glasses and a long white lab coat.
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He was a research partner with Dr. Horace Goodbine, but he was left behind when Goodbine got an offer to work for Daphne's uncle. He was resentful about this and came up to Mount Kumbaya to confront Goodbine. This resentment could have led him to become the Witch Doctor, but he was innocent. (Scooby-Doo! and the Witch Doctor)