'Sonic The Hedgehog 3' Writers Detail How The Movie Would Be Different If Jim Carrey Didn’t Play Two Roles

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• If Carrey had declined the dual role, the writers were considering casting legendary actor Michael Caine as Gerald Robotnik, Eggman's grandfather.
• This could have given the film a more serious, dramatic tone, compared to Carrey's signature comedic flair in the two Robotnik roles.