Fyodor: manipulative, smart, cold, always smiling coldly, he and Dazai always argue about who's smarter, 14 Nikolai: likes Fyodor and calls him Dos-kun, clown, manipulative, can kill someone, acts like a lunatic, insane Dazai: suicidal, annoying, likes annoying Chuuya and calls him chibi or shortie, likes pissing Akutagawa off by prefering Atsushi over him 10 Chuuya: short, aggressive, hates Dazai and calls him Mackerel, 10 Ranpo: childish, likes candy, super smart sometimes 12