sonic the hedgehog, shahra, and darkspine sonic (sonic and 1 more

Sonic the Hedgehog vs Illumina - Battles - Comic Vine

Sonic the Hedgehog (IDW)

Sonic the Hedgehog, Sonic Wiki Zone

Reimu Hakurei Vs Darkspine Sonic

Secret Rings Sonic [Sonic World DX] [Mods]

Barry Allen (Composite) vs Sonic the Hedgehog (Composite) - Battles - Comic Vine

I honestly wish this form was use a tiny bit more and I don't care anyone says it's canon (to me) : r/SonicTheHedgehog

Which Sonic is the Most Powerful Sonic?, by Ghoumy

Which Sonic is the Most Powerful Sonic?, by Ghoumy

Who would win, Dark Sonic or Darkspine Sonic? - Quora

Sonic the Hedgehog, Wiki

Sonic and Shahra - Legends Blurred and Torn by BroDogz on DeviantArt

We've got to stop him Shahra! : r/SonicTheHedgehog