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

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

Discuss Everything About Sonic Wiki Zone

Custom / Edited - Sonic the Hedgehog Customs - Sonic (Metin Seven Voxel) - The Models Resource

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

PROJECT M.E.T.A.L In Sonic 3 A.I.R [Sonic 3 A.I.R.] [Mods]

Super Smash Flash (Video Game) - TV Tropes

Knuckles

Knuckles.EXE sheet by Lucaria-Rukario on DeviantArt

CryptoPunkets #796 - CryptoPunkets

Custom / Edited - Sonic the Hedgehog Customs - Sonic, Tails, Knuckles, & Shadow - The Spriters Resource

Custom / Edited - Sonic the Hedgehog Customs - Metal Knuckles (Pokémon Yellow-Style) - The Spriters Resource

Custom / Edited - Sonic the Hedgehog Customs - Tails (Pakistan McDonald's Ad, Low-Poly) - The Models Resource

Mighty and Tiara custom Sonic sprites