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

Darkspine Sonic in all his glory, Sonic the Hedgehog

Darkspine Sonic [Super Smash Bros. Brawl] [Mods]

Play Genesis Sonic 2 Darkspine Sonic Online in your browser

Did you know Darkspine Sonic doesn't have gloves or shoes? : r/TwoBestFriendsPlay

Сustom Plush Just Like Hyper Sonic the Hedgehog Inspired Handmade to Order , Not Official

Pokemon Darkspine Sonic LVX

The Unofficial Evolution of Darkspine Sonic in Sonic Games

Which of sonic forms is stronger: Dark Super Sonic, Fleetway Super Sonic, Hyper Sonic, and Ultra Sonic (rank them weakest to strongest)? - Quora

Darkspine Sonic/Gallery, Sonic Wiki Zone

Darkspine sonic, Wiki

Wii - Sonic and the Secret Rings - Darkspine Sonic - The Models Resource

Modern Classic Hyper Sonic.png - Fan Art & Comics - Sonic Stadium

Who would win, Hyper Sonic or Hyper Shadow? - Quora

Feliz Aniversário Sonic! Confira as várias transformações do ouriço nestes 26 anos! - Blog TecToy