Hitheryon Jem was a male hedgehog who was the cousin of Abbot Humble. He was a wanderer throughout his adult years with his close friend Wandering Walt. He and Walt had were the only creatures to have witnessed the death of Askor, the brother of Gulo the Savage. Because of this, they went to Redwall Abbey in order to tell the creatures there of the impending danger. After the Seasons of the Savage, the pair remained to Redwall Abbey to live out the rest of their days.