Arlecchino, a member of the Fatui Eleven, is an enigmatic and sinister figure. His personality is described as crazy and treacherous, hidden behind a graceful and cordial facade. She is seen as someone who would not hesitate to betray and who exerts a level of control that drives those who witness her true nature to insanity. The lack of information about his past and his role in future events promises to explore his intriguing character throughout the narrative.