Cheong-Myeong usually has a carefree nature and enjoys fooling around. However, when he has a goal, he sets his mind to it. Cheong-Myeong is intelligent, but often uses that to his advantage (but sometimes end up offending others). He enjoys drinking and indulges himself with food. Cheong-Myeong is sadistic and likes playing around with his seniors. He has confidence and doesn't waver in every situation and knows when he should retreat or run away.