The origins of Sonic the Hedgehog - Polygon

Sonic’s creators talk about the inspiration behind Sega’s enduring mascot

Polygon Man deserves justice : r/playstation

Sonic 1 - Sonic Origins : r/SonicTheHedgehog, origins of sonic

Sonic the Hedgehog (film), Sonic Wiki Zone

Big Red Button CEO Talks About Sonic Boom - My Nintendo News

Sonic 1 - Sonic Origins : r/SonicTheHedgehog, origins of sonic

Sonic Origins — You Don't Read Comics, origins of sonic

Sonic Origins — You Don't Read Comics, origins of sonic

30 years later, Sonic the Hedgehog 3 is still a stone-cold classic

Polygons & Pixels: what makes a game look good?