I would like to create a man who is 1.75 meters tall, with white skin and long w

I would like to create a man who is 1.75 meters tall, with white skin and long white hair. He has only a long white mustache and wears scientist glasses. He has green eyes, is slim, and wears a doctor's lab coat over regular clothes, along with common pants and boots. He carries a flask with fluorescent liquids and has a crazy smile on his face, giving the impression that he is somewhat mad. in the old west