Tyr was a god in Norse mythology who chained the great wolf Fenric. When Fenric broke free, he devoured Tyr. (PROSE: The Curse of Fenric)
In the 9th century, Revna Ulfsdottir mistook the Ice Warrior Grand Marshall Xasslyr for Tyr because his hand was missing, stating that he bore the mark of Fenrir. (AUDIO: God of War)