old mecha sonic mk1 doodle by TyuleninSFD on DeviantArt

Mecha Sonic MK. 1 (Sonic 2) - 3D model by Spex130 (@spex130) [1431dad]

The Congressman — Mecha Madness

I get confused with their names. : r/SonicTheHedgehog

A detailed illustration of mecha sonic with a steampunk design

Mecha Sonic MK1 by RoBro64 on Newgrounds

Silver Sonic Vs Sonic & Metal Sonic And Mecha Sonic

Mecha Sonic MK 1 by GardePickle on DeviantArt

Sonic Realm - Art, videos, guides, polls and more - Game Jolt

Mecha Aleena Sonic Legends

Little theory about the Sonic robots (keep in mind this is based how I view events as it's pretty clear all the Sonic robots are part of the same line of robots