Sigma: He acts confident and composed even at times of crisis, giving the impression that he's the perfect student When left alone, Sigma starts freaking out, his self doubt taking over Fyodor: He is always reading a book and is usually serious, though he can be funny and he’s never stressed, very manipulative and teasing Nikolai: Eccentric and Playful, never serious and he always skips lessons, often playing around and with a façade of a scared and shy boy, though everyone knows it’s fake