Super Neo Metal Sonic by MasaxMune23 on DeviantArt

Super Neo Metal Sonic Render by Nibroc-Rock on DeviantArt

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

Sonic The Hedgehog: The IDW Sonic Comics Nearly 2-Years Later

Sonic IDW: Shard A Robot with a Soul - Issue#10 and #11 - Wattpad

An IDW Sonic Fan Blog on Tumblr

IDW Sonic Issue 10 Mini-dub: Super Neo Metal Sonic

Neo Metal Sonic invades MHA Japan

Metal Sonic (TheIronJedi), The Headcanon Island Wiki

Metal Sonic, Wiki

Hedgehogs Can't Swim: Sonic the Hedgehog (IDW): Issue 9