Byrne is an antagonist in The Legend of Zelda: Spirit Tracks. He is Chancellor Cole's mysterious assistant. He has a bionic arm and a mask covering the lower half of his face who possesses ninja-like features. You face off against him at the end of the fifth visit to the Tower of Spirits. By the end of the game, Byrne turns to the good side and saves Zelda's life from Malladus at the price of his own.