Sonic 3 & Knuckles, Wiki

Sonic the Hedgehog 3 - Wikipedia

Knuckles the Echidna - SRB2 Wiki

The Blue Knuckles Glitch (The Gateway To Learn Dev, Wiki

Knuckles the Echidna (comics) - Wikiwand

Knuckles the Echidna - Wikiwand

Sonic 3 & Knuckles - PCGamingWiki PCGW - bugs, fixes, crashes, mods, guides and improvements for every PC game

SegaSonic the Hedgehog (lost build of cancelled 32X port of arcade platformer; existence unconfirmed; 1994) - The Lost Media Wiki

Sonic 3 & Knuckles - Sonic Wiki - Neoseeker

Gallery:Knuckles - Super Mario Wiki, the Mario encyclopedia

Knuckles (TV Series) - Media - Sonic Stadium