Metal Sonic: The Ultimate Overlord - Sonic Heroes [OST]

Neo Metal Sonic by Adverse56 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

Nibroc.Rock on X: Neo Metal Sonic: / X

Metal Sonic, Pooh's Adventures Wiki

1 Neo Metal Sonic Supporter (@neometalfigure) / X

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

sonic fanclub

Neo Metal Sonic slashing by TransparentJiggly64 on DeviantArt