Mighty the Armadillo

Mighty the Armadillo is a fictional anthropomorphic armadillo from the Sonic the Hedgehog series.

Mighty is an explorer and a long time acquaintance of Sonic the Hedgehog and good friend of Knuckles the Echidna. Despite the two both being representatives of different animal species, both Mighty and Sonic look very similar in their appearance, abilities, and both of them being unexpectedly fast.