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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.
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Sonic-Zilla is an alternate version of Sonic the Hedgehog from an alternate version of Mobius. He lives on Knothole Island.


In this universe, Chaos Emerald radiation transformed Sonic into a hideous, gigantic monster. Somehow half a Chaos Emerald became embedded in his chest like his father, Jules-Zilla. After an anguished Sonic the Hedgehog in Giant Robotno accidentally killed Jules-Zilla and left with his Emerald half, Sonic-Zilla emerged and cried at his dead father's body. Sonic-Zilla along with Espio-Zilla, Mighty-Zilla, Vector-Zilla are the only ones not to fight Giant Robotno despite Sonic-Zilla being present on Knothole Island. (SSS: #12)


  • Sonic-Zilla is an obvious parody of the Toho monster Godzilla.
  • Sonic-Zilla is the only mutated Mobian from Knothole Island without sharp fangs (not including Chuck-Zilla).

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