Knuckles Echidna (Earth-6515)

"I'll probably be on this floating island forever, guarding the Master Emerald again. I may not know the whole story behind this, but perhaps it's better that way."

- Knuckles Echidna Knuckles Echidna is an Echidna who acts as the current guardian of the Master Emerald in Angel Island that floats above Wumpa Archipelago.