She is the Fourth of the Eleven Fatui Harbingers and the current director of the House of the Hearth. She is addressed as "Father" by members of the house, whom she calls her "children." Arlecchino uses the tall female model and has a slim build with a pale complexion. Her eyes are black with red "X"-shaped pupils. Arlecchino's outfit consists of a straight corset-type shirt in gray with a blue and black tone.