Arlecchino, also known by her codename The Knave and as Father, is the Fourth of the Eleven Fatui Harbingers, a group of influential and powerful individuals who acted as the chief lieutenants of the Cryo Archon, the Tsaritsa of Snezhnaya. Codenamed "The Knave," she ran an orphanage called the House of the Hearth that indoctrinated children into the Fatui. A wolf in sheep's clothing. To exert a higher level of control over people, she puts on a graceful and cordial front.