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This character exists primarily or exclusively within the Pre-Super Genesis Wave continuity.
Information in this article may not be canonical to the storyline of the games or any other Sonic continuity.
Polysaurus Rex

Polysaurus Rex, Sonic the Hedgehog In Your Face!.

Polysaurus Rex is a character that appears in the Sonic the Hedgehog comic series and its spin-offs published by Archie Comics. It was a two-headed dragon that was thought to be extinct. It guarded two doors in the Forbidden Zone


Described as a "bio-mechanical watchdog", one of its heads would always tell the truth, whilst the other would only tell lies, though it was impossible to discern which one beforehand. Sally Acorn encountered it whilst on her soul-quest from Julayla Chipmunk and was able to outsmart it.[1]


  1. Sonic the Hedgehog In Your Face!, "The Quest Princess Sally's Crusade: Conclusion"
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