ULTIMATE ERIS 🏳️‍⚧️ on X: so it turns out, classic sonic is from the future, so that makes him modern sonic. modern is younger, so he's classic sonic. it makes sense. /

Modern Sonic Meets Classic Sonic

Are Classic Sonic and Modern Sonic two different people? - Quora

Let's settle this. Who is better : r/SonicTheHedgehog

The illusion of Classic Sonic - Sonic Chat - Sonic Stadium

Sonic the Hedgehog - Growing Up by JonetsuDesu on DeviantArt

Modern Sonic Meets Classic Sonic

PrincessBloomRose - Hobbyist, Artist

The True Identity Of Classic Sonic FINALLY Revealed?

Does Sonic The Hedgehog have a Future?

Are Classic Sonic and Modern Sonic two different people? - Quora

Should Classic Sonic be physically younger than Modern Sonic or not? : r/SonicTheHedgehog