Although a very enigmatic individual, Fyodor is a man known for his cunning, unpredictable, and sinister nature that is comparable to Osamu Dazai. He is composed and confident, and even in dire situations, he hardly wavers and doesn't seem to fear his enemies, conjuring up conspiratorial plans and strategies that result in his success. Fyodor is always respectful and polite, even the few times he is seen upset, he doesn't insult or mock, remaining respectful and polite.