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.

Community – The Sonic Stadium

Sonic Retro - Second only to Sega

E-Series: E-102 Gamma Sonic adventure, Sonic, Sonic art

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

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

20 Sonic The Hedgehog Artworks That Will Bring Back The Feels - Indieground Design

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

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

Mecha Sonic Returns! And we get to see Mecha Tails for the first time, love their designs especially the scizzor tails : r/SonicTheHedgehog