Metal Sonic+Neo form+ Overlord/madness form redesign by Cyberlord1109 : r/SonicTheHedgehog

Vector icon Neo Metal Sonic: Extra Large by Nibroc-Rock on DeviantArt

Custom / Edited - Sonic the Hedgehog Customs - Neo Metal Sonic - The Spriters Resource

Neo Metal Sonic by TheMetonicLover by TheMetonicLover on DeviantArt

Metal Sonic as Neo Metal Sonic (Sonic the Hedgehog) - IDW Publishing

Neo Metal Sonic - Drawn By Me! (Plus Mobile Background Version) : r/SonicTheHedgehog

Neo Metal Sonic render! Took me about a week from start to finish but I'm done now! (cloth physics are baking for an animated version to show off the cape- will post

Neo Metal Sonic icon Sonic, Character, Superhero

Neo Metal Sonic icon | Photographic Print

Metal Sonic/IDW Publishing, Sonic Wiki Zone

Metalikk Sonic the Hedgehog! Amino