Seeing as we went from Classic Sonic to Modern Sonic well, he's not really modern anymore now is he? he's old enough to be considered retro. Movie Sonic is literally the modern

Tails – Wizard Dojo

Sonic the Hedgehog (2020) movie, Page 42

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Which is better, the old Sonic the Hedgehog movie or the 2020 new Sonic movie? - Quora

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I read every Sonic comic by Ken Penders, and they're wilder than you could ever imagine, by Bobby Schroeder

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Sonic the Hedgehog composer Tom Holkenborg is obsessed with updating vintage sound