Mummy (The Case of the Haunted Huddle)

The mummy was the disguise of Marty O'Dell.

Physical appearance
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Personality
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Scooby-Doo, Where Are You? (DC Comics)
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Appearances

 * Scooby-Doo, Where Are You? (DC Comics)
 * #21(a). The Case of the Haunted Huddle