Pixilart - dark sonic sprites by sinoc-pixel123

Sprite Re-Work: A collection of custom Sprites. [Sonic 3 A.I.R.] [Concepts]

NFG Games Presents - A Sonic the Hedgehog Sprite History

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

Custom Sonic Sprites (Original Palette) by MylesDeGreat on DeviantArt

Sonic Sprite Fixes [Sonic CD (2011)] [Mods]

Secrets of Sonic Team=

sonic, 1 6 bits color, sprite 2 d, game maker

S&K NEWTROGIC PANIC on X: Here's The short timeline of Sonic's sprites / X

Sonic The Hedgehog 2 Sprite Sheets - Sega Genesis - Sonic Galaxy.net

User blog:Moon the Hedgehog/Sonic the Hedgehog Sprites, Sonic Wiki Zone