Metal Sonic, Fanart page 3 - Zerochan Anime Image Board

HYPER NEO METAL SONIC by asbestos : r/SonicTheHedgehog

Project M: Metal Sonic (v3.0 LAST?)

neo metal sonic 3.0 by mecha-metal-sonic on DeviantArt

Metal Sonic 3.0, Antagonists Wiki

Brawl Vault

NEW* NEO METAL SONIC EVENT IN SONIC SPEED SIMULATOR!!

Metal Sonic v3.0 (Archie Comics), VS Battles Wiki

Second Life Marketplace - (LCD-Anato) Metal Sonic Avatar

Neo Metal Sonic by SpikeHedgelion8 on DeviantArt

Little theory about the Sonic robots (keep in mind this is based how I view events as it's pretty clear all the Sonic robots are part of the same line of robots