Sonic Style Sprites - Original and Custom by Abbysek on DeviantArt

RatherNoiceSprites's Classic Sonic Sprites [Sonic the Hedgehog Forever] [Mods]

Sonic Advance 3 Sprite Sheets - Game Boy Advance - Sonic Galaxy.net

PC / Computer - Sonic Origins - Sonic the Hedgehog - The Spriters Resource

Sprites Resource on Sonic-Boll-Resource - DeviantArt

Custom / Edited - Sonic the Hedgehog Customs - Knuckles (Sonic 1-Style) - The Spriters Resource

Sega Genesis / 32X - Sonic the Hedgehog 2 - Miles Tails Prower - The Spriters Resource

TheNewOrchestra

Custom / Edited - Sonic the Hedgehog Customs - Sonic (Mania, Sonic 1-Style) - The Spriters Resource

Genesis / 32X / SCD - Sonic CD - Badniks

Sonic Superstars 8 Bit Remix (Konami VRC6)