What the heck is Darkspine Sonic?

I had a random thought about Darkspine Sonic and I wanted to dig a little deeper. Strangely enough, information on how this form was created is limited. No

Drawing Darkspine Sonic

Darkspine, Darkspine Sonic Sonic

Сustom Plush Just Like Darkspine Sonic and the Secret Rings

Steam Workshop::Darkspine Sonic (Sonic and the Secret Rings Wii)

FNF Hyper Funkin' Vs Hyper Sonic - Play FNF Hyper Funkin' Vs Hyper Sonic Online on KBHGames

Pokemon Darkspine Sonic 110

Darkspine Sonic by itsHelias94 on DeviantArt

Modern Base, Super and Hyper Sonic Renders - By Me : r/SonicTheHedgehog

Darkspine Sonic/Gallery, Sonic Wiki Zone

Darkspine Sonic is - pixiv Encyclopedia

Pokemon Darkspine Sonic LVX