Sonic 1 Waiting Mania Style Sprites by facundogomez on DeviantArt

Sonic The Hedgehog Sonic Sticker - Sonic The Hedgehog Sonic Sprite - Discover & Share GIFs

These edited Sonic 1 sprites are amazing!

The Ultimate Sonic 1 Sheet

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

The VG Resource - Doing Sonic 1-sized, Sonic 1-visual-styled sheets for other characters than Sonic

Sonic 1 sprite redraw by Bastian95 on Newgrounds

Sonic 1 Delta - SSRG Demo release

Sonic Art Resources — sonichedgeblog: Goggles were going to be a

HEDGESPIN Framework (SAGE '21 Example Demo)

NajoiiDoddle on Game Jolt: Comparison between Sonic and Fake