An artwork of Darkspine Sonic that I made back in 2020! : r/SonicTheHedgehog

Sonic Forms Renders(Games & Comics) : r/SonicTheHedgehog

Darkspine Sonic (SA style) by Prime-101 on DeviantArt

Sonic Forms Renders(Games & Comics) : r/SonicTheHedgehog

Stario (u/starinho) - Reddit

ZeroR102

God, that would be so cool. : r/SonicTheHedgehog

How many forms does Sonic The Hedgehog have? - Quora

Super transformation, Sonic Wiki Zone

Sonic Forces: Speed Battle, Sonic Wiki Zone

Sonic Fun Fact: Back in the day when Sonic was battle-damaged and having ripped gloves and socks in the Sonic Archie Comics! : r/SonicTheHedgehog