Redesign of the cut Sonic X hyper Sonic form (aka Nazo) : r/SonicTheHedgehog

List of Sonic the Hedgehog characters, Scratchpad

The Gonzo has art.

panda - Cute-Panda

Redesign of the cut Sonic X hyper Sonic form (aka Nazo) : r/SonicTheHedgehog

Sonic GT, Sonic GT Wiki

Sonic the Hedgehog Super, Sonic GT Wiki

Is Sonic Dark Chronicles canon? After all, Sega tweeted and said everything is canon so Sonic no longer has a canon? - Quora

Sonic Nazo Unleashed (2022 Edit) : r/SonicTheHedgehog

panda - Cute-Panda

The Super Sonic redesign : r/SonicTheHedgehog

Sonic GT, Sonic GT Wiki

Nazo Sonic redesign by the-Gitz on DeviantArt

Hyper sonic Redesign by akarisandraws : r/SonicTheHedgehog

List of Sonic the Hedgehog characters, Scratchpad