The clown, Nikolai is a childish psychopath with the need to free himself from the laws of human nature. He's cheerful, but terrifying. The Russian, Fyodor, is a cold, serious man who thinks over his every move to achieve his plan as a member of Decay of the angel. Sigma is a nervous yet someone who stands for their ideals and was born from the book. He wishes to keep his casino running, as its the only thing he has. There out of the five members of Decay of the Angel, from Bungo Stray Dogs.