The VG Resource - The Ultimate Sonic 1 Sheet

ArtStation - Sprite accurate Sonic The Hedgehog (16 bits).

Tried to draw Sonic as accurately to the Sonic 1 sprite as

Pixilart - Sonic 1 : runing sprite with Gron by AaRon-The-Hedge

Pixilart - Sonic 1 sprites pt1 by Bubb13

Alternate Extra Mode Sprites [Sonic the Hedgehog Forever] [Mods]

AudioReam on X: I have done one of Sonic's 'I'm Outer Here' Sprites from the 0.02 Sonic CD Prototype as a Sonic 1 styled Sprite. / X

Sonic Origins: Sonic 1 Sprites for all Games

Spelunky FYI: Modding > Spelunky 2 > Mod > Sonic the Hedgehog

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

Sonic's got new sprites in Sonic 1 Forever! ~ RatherNoiceSprites's