First: shadow kid and light kid. You would expect for light kid to be the hero and shadow kid to be the villain, but it’s quite the opposite. First, they are both humans that have powers. Shadow kid has shadow powers and light kid has light powers. Second, they are like yin and Yang. Shadow kid is also very cool and he’s nice, but light kid is not. Last, they are polar opposites. Shadow kid is shadow, light kid is light. Shadow kid has white eyes, light kid has black eyes. Shadow kid is good,