Knuckles The Echidna on Game Jolt: Knuckles NPC Sprites - Sonic 3

Sonic Ultima Official (@ProjectUlt1ma) / X

The Complete Sonic Comic Encyclopedia The Complete Sonic Comic Encyclopedia (Archie) - Read Online

Steam Workshop::coolest mods that has a cool person and triple trouble for some reason in the videos

Zange on Game Jolt: Knock knock. I based this sprite off of Knuckles' Sonic Battle idle

Custom / Edited - Sonic the Hedgehog Customs - Knuckles - The Spriters Resource

PC / Computer - Retro Sonic - Knuckles the Echidna - The Spriters Resource

CryptoPunkets #218 - CryptoPunkets

CryptoPunkets #236 - CryptoPunkets

Knuckles the echidna remastered sprite by CaiArt1987 on DeviantArt

Genesis / 32X / SCD - Sonic the Hedgehog 3 - Knuckles the Echidna - The Spriters Resource

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Sega Genesis / 32X - Sonic & Knuckles - The Spriters Resource

Guinness World Records 2017 Gamer's Edition (PDFDrive), PDF, Entertainment

Sega Genesis / 32X - Sonic the Hedgehog 3 - The Spriters Resource