MIGHTY THE ARMADILLO WAS ORIGINALLY A RUNNER UP DESIGN FOR THE ROLE OF SONIC THE HEDGEHOG.

Mighty the Armadillo, Sonic Wiki Zone

Mighty the Armadillo, o amigo casca-grossa do Sonic - Nintendo Blast

Steam Workshop::My Sonic Collection

STH2 Mighty the Armadillo by retrobunyip on DeviantArt

Hacks - Mighty the Armadillo in Sonic the Hedgehog

Genesis / 32X / SCD - Mighty in Sonic 1 (Hack) - Mighty the Armadillo - The Spriters Resource

Sonic The Hedgeblog on X: When Mighty The Armadillo falls off the edge in 'SegaSonic The Hedgehog', his shell falls off. Here are the sprites during his descent. [@Sonic_Hedgeblog] [Patreon] /

Sonic After The Sequel Mighty Sprite Sheet by RedactedAccount on DeviantArt

I made these new mighty eyes : r/SonicTheHedgehog

That's a) mighty (weird) sprite(!)