Neo Metal Sonic by Adverse56 on DeviantArt

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

Neo Metal Sonic by Random-Artery on DeviantArt

Neo Metal Sonic Render by MINV12 on DeviantArt

Neo Metal Sonic Render by bandicootbrawl96 on DeviantArt

Classic Neo Metal Sonic (Generations-style) Render by JoeTEStrikesBack on DeviantArt

Super Neo Metal Sonic by cybervader311 on DeviantArt

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

Neo Metal Sonic by Mental-Autopsy on Newgrounds

Nibroc.Rock on X: New Render: Dreamcast Era Metal Sonic,mostly based on his SA2 and SH look Credit to @Darkon360 for the OrignalModel / X

Metal Sonic (Game), VS Battles Wiki