Tessie was a prospector and voiced by Ginny Tyler.

History, Scooby-Doo and Scrappy-Doo (first series): She dressed up as the Alien and used a remote-controlled UFO to confuse the police after stealing valuable radioactive metal.[1]

Appearances: Scooby-Doo and Scrappy-Doo, 103. Strange Encounters of a Scooby Kind

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