Light has a princely demeanor. He is level-headed, calm, rational, logical and mature. Despite the dangerous situations he found himself in, he usually remained calm, but when he was angered, he would become very aggressive. Light is very intelligent and wise. He is also very knowledgeable about a variety of topics. He is very protective of his little sister Clover and is very close to her. He is 24, and his sister Clover is 18.