Knuckles the Echidna

Learn about Knuckles the Echidna, the guardian of Angel Island's emeralds and the last descendant of an ancient civilization in Sonic & Knuckles.

Knuckles has spent most of his life on Angel Island, where he serves as the guardian of the island's precious emeralds. He is the sole living descendant of an ancient civilization that once thrived there.

Robotnik has deceived Knuckles, convincing him that Sonic is the one attempting to steal the emeralds. This misunderstanding leads Knuckles to act as an antagonist, using his intimate knowledge of Angel Island to hinder your progress throughout the game.