Jack also known as "Jack Frost" is a demigod that maintains the ice realms and is one of the sons of the Gods of the Universe. He also is the teacher of Jay during the terrifying events of the dark realms. He watches over Jay since Jay does alot of crazy things that'll interfere with the Mother of Time's work of the universe. He's serious, cautious, and uptight about things just to make sure everything doesn't go wrong. He has the ability to control water and ice materials to his will. He the brother of the many other demigods of the universe.