Sonic Sprites by SpongeDrew - Pixilart

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

Sonic 1, with Cool New Sprites!

Sonic The Hedgehog 2 Sprites!!!

Sonic The Hedgehog (1991) - Sonic's Sprites by AsuharaMoon on DeviantArt

Custom Hybrid Sonic / SonicClone Sprites [Sonic the Hedgehog Forever] [Mods]

Colors Live - HD Sonic 1 Sprite thingy by Animagination_Draws

Rip out some custom sprites for S1 Sonic - Comic Studio

Best Sonic Sprite?

A bunch of Sonic sprites by PacManfan64

my crappy sprite edit of the sonic sprite from sonic 1 edited to