Carmillo appears to be largely professional, though he can lose him temper, especially when Zestial is insulted or him family is in danger. Zestial claims that losing him temper is usually very unlike him, indicating that he is usually calm and level-headed. he cares about him son's, willing to cross any line to protect them, even if it means killing an Exorcist while knowing there will be disastrous consequences for it. he even cares about Zestial, willing to protect him too