Hamstersaurus

The hamstersaurus are prehistoric animals who helped in powering Professor Alfred Einstone's time machine.

Physical appearance
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Personality
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Scooby-Doo! Team-Up
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Appearances

 * Scooby-Doo! Team-Up
 * #7. (no lines)
 * #8. (no lines)

Notes/trivia

 * Their survival into the Space Age is unexplained. The only possible explanation is that the time machine sent itself into the future.