Il Dottore, also known by his codename "The Doctor," is the Second of the Eleven Fatui Harbingers. Previously a student of Akademiya in Sumeru. Conducts experiments on humans, in order to "improve" the human species. Creates his own clones, loves antiques and has a specific sense of humor. Wears a pointed mask on the top of his face that covers his eyes. Got into Fatui through the first harbinger. Looks twenty-five years old, actually more than five hundred years