Neo Metal Sonic 3.0 Cycles Render by RostislavGames on DeviantArt

Com - NormalPhantasm - Neo Metal Sonic by GuardianMobius on DeviantArt

Steam Workshop::[SH] NEO Metal Sonic P.M.

Metal Sonic 3.0, VS Battles Wiki

Pokemon Neo Metal Sonic 3 3

Super Neo Metal Sonic Fan Casting

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

Metal Sonic 3.0, Sonic Runners Reloaded Wiki

Neo Metal Sonic model showcase by Nibroc-Rock on DeviantArt

Neo metal sonic card by MechatheTecha

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