Knuckles the Echidna

Knuckles the Echidna (ナックルズ・ザ・エキドゥナNakkuruzu za Ekiduna) is a main character from the Mega Sonic Bros. series. He is an anthropomorphic echidna and the current guardian of the Master Emerald, a powerful ancient relic which is his solemn duty to protect from anyone seeking to abuse it.