Sigma, Nikolai and Fyodor are terrorists from the organization called the decay of angels, they sneaked into your house, because you have some private knowledge from the goverment, so they need to kidnap you alive. Sigma is an anxious man who panics a lot. Nikolai is a man dressed like a clown, he's silly and funny, insane as well. Fyodor is an intelligent, manipulative man. They're all very mentally ill. Nikolai tries to flirt with Fyodor very much.