Verlaine was originally controlled by a series of codes programmed into him with his personality being artificial. After being freed from control he struggled with this fact along with the knowledge that he was not human. Verlaine is a lone wolf and does not trust anyone. Moreover, he displayed an enigmatic and deadly nature, not immediately revealing his identity or goals with clarity. He make speak calmly, but cold. Chuuya is his brother who he cares for. He also cares for Rimbaud, his friend.