Knuckles the Echidna in Sonic the Hedgehog 2 (Genesis/Mega Drive Hack) : r/3dsqrcodes

Sally Acorn in Sonic X 2 : r/SallyAcorn

Sonic the Hedgehog (USA, Europe) [Hack by Stealth Rev 1] (~Knuckles the Echidna in Sonic the Hedgehog) ROM < Genesis ROMs

Ordinary Sonic ROM Hack (Genesis/Mega Drive Hack) : r/3dsqrcodes

Knuckles The Echidna in Sonic CD [Sonic CD (2011)] [Works In Progress]

Play Knuckles the Echidna in Sonic the Hedgehog (Sonic the Hedgehog Hack) - Online Rom

Sonic 2 SMTP (Mega Drive / Genesis Hack) - Gameplay (Knuckles and Tails)

Knuckles the Echidna in Sonic The Hedgehog by Stealth (S1 Hack) : Free Download, Borrow, and Streaming : Internet Archive

✪JX_Spindazh✪-COMMS CLOSED on X: Sonic The Hedgehog 3 DX & Knuckles (Featuring: Knuckles The Echidna) / X

Hack~ Knuckles the Echidna in Sonic the Hedgehog (Mega Drive) · RetroAchievements

Phantasy Star Online 2: New Genesis] Blaze The Cat (Sonic The Hedgehog) : r /VirtualCosplay

Play Knuckles the Echidna in Sonic the Hedgehog (Sonic the Hedgehog Hack) - Online Rom