Sonic 1 Spritesheet Cartoon Edition: Version 1

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

Sonic Sprites

Game Boy Advance - Sonic the Hedgehog Genesis - Sonic - The Spriters Resource

Colors Live - HD Sonic 1 Sprite thingy by Animagination_Draws

Sonic 1 but different sprites [Sonic The Hedgehog (1991)] [Mods]

ArtStation - Sonic 1 Forever with Cartoony Sprites

Sonic 1 Tails (W.i.P) Pixie Engine - Create!

New posts in Fanart - Sonic the Hedgehog Community on Game Jolt

Sonic 1 - Game Gear Custom Sprites (Unfinished) by PixelMarioXP on DeviantArt

Sprite comparison for Mania's intro animation (SegaSonic, Sonic 1