Neo Metal Sonic Returns (Legacy Render) by Nibroc-Rock on DeviantArt

Super Neo Metal Sonic image - HYperSHadic9000 - IndieDB

Neo Metal Sonic.EXE (form 3) by GstarU on DeviantArt

Metal Sonic 3.0, Villains Wiki

Metal sonic, Wiki

ah yeah this is happenin'! — sonic-06: PLEASE reblog this took me 3 hours my

i drew the pointy spooky boi <3 neo metal sonic from sonic heroes : SonicTheHedgehog

Metal Sonic (3.0 Repaint)

All Metal Sonic Forms

Neo Metal Sonic (Prints and Stickers) Poster for Sale by SammyTighe

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