Fans may not know that theSonic 3movie version of Gerald Robotnik hides a major dark secret.

Sonic the Hedgehog 3spin-dashes its way into theaters on December 20.

Read more about the Sonic the Hedgehog franchise:

Will a Knuckles Movie Release After Sonic 3?

Gerald Robotnik in Sonic 3 Movie

Knuckles: Why Is James Marsden Missing from the Show?

Knuckles Series: Who Is Pachacamac?

New Sonic Character Explained

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