Metal Sonic, sonic, mecha girl / Neo Metal Sonic - pixiv

Anime Waifu Metal Sonic (Art by ArtsSdx,Link to original in comments) : r/SonicTheHedgehog

Neo Metal Sonic - Sonic Heroes - Image by Netraptor #750464 - Zerochan Anime Image Board

Dr. Ivo Eggman Robotnik, Mobius Encyclopaedia

Monster Girls Alert - Female metal sonic as a waifu.

The Gonzo has art.

sonic, Metal Sonic / Neo Metal Sonic / June 25th, 2021 - pixiv

MarienneSapphire on X: My take on a female Metal Sonic. Meet your new Metal Mistress! #art #SonicTheHedgehog #sonicfanart #MetalSonic #neometalsonic #trans #artwork #fanart / X

Neo Metal Sonic by arminarlert889 on DeviantArt

The Gonzo has art.

Neo Metal Sonic by Nova-Nebulas on DeviantArt

Sonicredraw by sparkydb on DeviantArt

Neo Metal Sonic over Mecha Sonic [Sonic 3 A.I.R.] [Works In Progress]

Fem Neo Metal Sonic by PeachyOwl on Newgrounds