Sonic The Hedgeblog — Early artwork of the front and back of Mecha Sonic

Early artwork of the front and back of Mecha Sonic (sometimes known as Silver or Robo Sonic), drawn by Yasushi Yamaguchi for ‘Sonic 2′. Note the ‘MS’ on its shoulders.

metal sonic – LesbianChemicalPlant

Community – The Sonic Stadium

sonic the hedgehog and mecha sonic mkii (sonic and 2 more) drawn by banel_springer

Sonic The Hedgeblog — Concept artwork of Metal Sonic, from 'Sonic CD'.

So, what's the deal with Mecha Sonic in terms of the Classic-Modern split? : r/SonicTheHedgehog

Sonic The Hedgeblog — The original sketches for the Mecha / Robo Sonic

Sonic Art Resources — sonichedgeblog: Early story elements posed Sonic

Sonic Heroes – Source Gaming

The Sonic community just released a slew of amazing fangame demos

Sonic The Hedgeblog (@Sonic_Hedgeblog) - Game Jolt

Mecha Sonic from Sonic