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

Custom / Edited - Sonic the Hedgehog Customs - Sonic (Sonic 1-Style, Enhanced) - The #1 source for video game sprites on the internet!

The VG Resource - Dolphman's sprite library of customs & edits

Mighty and Tiara custom Sonic sprites

Macholor

Sonic The Hedgehog Custom Sprites : Modgen : Free Download, Borrow, and Streaming : Internet Archive

The Angry Birds Come to Roblox in a New Fantasy Role-Playing Game - LastCall.news

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

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

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

Wii U - Mario & Sonic at the Rio 2016 Olympic Games - Sonic the Hedgehog - The Models Resource

Tails Edited Sprites V4 by CartoonsAnimate22 on DeviantArt

Custom / Edited - Sonic the Hedgehog Customs - Sonic (Fan Film Design, Sonic Generations-Style) - The Models Resource

10x Example Base in Sonic 1 Style Sprite by Abbysek on DeviantArt

Super Smash Flash (Video Game) - TV Tropes

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