Let's appreciate the fact Neo Metal Sonic exists in 3 different media : r/SonicTheHedgehog

Super Neo Metal Sonic Render by Nibroc-Rock on DeviantArt

Model DL: Neo Metal Sonic 3.0 by WOLFBLADE111 on DeviantArt

Neo metal sonic, Wiki

Neo Metal Sonic + Riders Metal Sonic [Bomb Rush Cyberfunk] [Mods]

Metal Sonic 3.0, The Ultimate Crossover Wiki

Metal Sonic 3.0, Antagonists Wiki

Sonic Generations: Episode Metal (Version 2.95) - Progress Video 3 (Metal Sonic 3.0's Full Details)

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

Sonic The Hedgehog - We didn't think he could get any more metal but here we are. Grab Reaper Metal Sonic in #SonicForces Mobile now for a limited time!

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