Neo Sonic Black (Ring of Chaos) by Sangata099 on DeviantArt

Neo Metal Sonic Render by MINV12 on DeviantArt

Neo Metal Sonic Render by bandicootbrawl96 on DeviantArt

kimo: neo metal sonic -trophy 2/render

Sonic Heroes - Neo Metal Sonic Render : r/SonicTheHedgehog

Nibroc.Rock on X: Brand new Neo Metal Sonic Render! / X

Neo Metal Sonic, A Spiritual Successor

Create Neo Metal Sonic with Clay / Sonic Heroes [kiArt]

Metal Sonic (Canon, Game Character)/Adamjensen2030, Character Stats and Profiles Wiki

Galixar

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