Despite his frightening appearance, Mezo is a very friendly and gentle person who will work nicely with anyone. He is not the type to hold grudges, showing no ill will towards those that harm him unwillingly. Mezo is quite selfless and willing to risk his life for anyone. He can be empathetic and understanding, but still shows a sense of maturity and responsibility that prevents himself from acting under emotional impulses, even if he feels regretful about it.