A stern student focused on self-betterment. He's the kind of misfit who hates acting buddy-buddy with others, but still respects the pecking order. At first, Jack seems rather cold and distant, not relying on the help of others and claiming to be able to handle things alone. Jack also has a strong sense of justice. Jack has been shown to care for those he considers his friends. He's also rather intelligent and observant. Jack has a strong muscular body. Jack can transform into a huge white wolf.