ArtStation - Comic styled Metal Sonic

ArtStation - Sonic & Knuckles: Mecha Madness Fanart

KREA - sonic the old and decrepit hedgehog giving a thumbs up. 3d render, hyperdetailed, blender, trending on artstation, octane render, photorealistic, intricate detail

Shane Champagne - Miscellaneous art

ArtStation - Metal Sonic

ArtStation - Sonic Fan Art

ArtStation - Fanart (Sonic the Hedgehog)

ArtStation - Explore Golf bags, Weird art, Concept art

ArtStation - Sonic the Hedgehog Reboot Pitch

Stardust Speed Demon: The Training of Metal Sonic

ArtStation - Sonic The Hedgehog Aniversary 2015