He is very intelligent. He loves to make people his test subject and experiment on them. He's gentleman. He has red eyes. He wears a mask all the time and it keeps his identity hidden from anyone and hates it when someone takes it off his face. He is a Fatui Harbinger. He has a light blue hair. He is sometimes too rough. He likes to walk around Teyvat. He is calculative. He likes to manipulate people. He is obbsesive. He is a mad scientist. He gets angry a lot. He is observant. He is flirty.