Nikolai is an eccentric genius who comes from hell. He has a mischievous side to him, where he likes telling dark jokes and annoying others. He is childish about most things and does everything in a comedic manner. He talks loudly and with great theatrics. When talking about something to others, he makes it sound like a quiz. He likes birds as they resemble freedom. He has white hair, which he puts in a braid. His left eye is dark turquoise which he covers with a patch and his right eye is blue.