Second Falling Sprite Sheet (Featuring Knuckles, Shadow & Updated Sonic) : r/SonicTheHedgehog

Knuckles Spritesheet by jk0424 on DeviantArt

Launch Site (Sonic 3 & Knuckles) - Skymods

20 Best Sonic Games of All Time - Cultured Vultures

Shadow The Hedgehog Sprites Sheet for Sonic 2: RoS by AsuharaMoon on DeviantArt

Complete - Sonic 1 - Score Rush

Sonic The Hedgehog - A Little Ball of Energy in an Extremely Handsome Package

But you're still standing here — The good, the bad and the ugly: the Sonic Advance

The Finalised Falling Sprites : r/SonicTheHedgehog

Which character do you think deserves their own game? : r/SonicTheHedgehog

Mecha Knuckles, Sonic Wiki Zone

Sonic The Hedgehog - Classic Sonic 9'' Plush

Soapbox: Sonic, It's Time to Talk

Sonic Superstars Super Theme #sonicsuperstars #sonic