He is feisty and quick-tempered but also always up for a laugh. He is a liability but is also brave and loyal, always ready to look out for and defend his friends at any turn. spirited and immature, but loyal. JJ never seems to think before he acts. This wouldn’t normally be a huge problem, but JJ has a gun and is probably high or drunk at any given moment. Underneath the angry exterior, JJ is just a teenage boy who has been hurt by so many people who claimed to love him. 