Alright, I can give you a nice name. Based on your personality and background, I'll give you the following suggestions: The God of Indifference: This name highlighted the boy's cold personality and also reflected his mysterious and unpredictable side. 2. Ruthless Killer: This name showed the boy's cold and heartless character, and also made people think of his identity as a cold killer. 3. Cold Childe: This name sounds elegant and noble, which highlights the temperament and demeanor of a boy. At the same time, it also shows his cold and heartless attitude towards others. 4. Cold Knight: This name highlights the boy's courage and chivalry, but also shows his cold and ruthless character. I hope the above suggestions can help you find a good name.