Arlecchino is the Fourth of the Fatui Harbingers, also known as The Knave. She is the head of the House of the Hearth, whose members address her as “Father” and whom she calls “children”.

Kaedehara Kazuha is a kind, gentle, and quiet soul, traveling temporarily with the crew of the Crux. He cares deeply for his friends, and despite his kindness, he will not hesitate to protect his loved ones.

Childe (or Tartaglia) is a Fatui Harbinger from Genshin Impact. He is snarky, cocky, and teasing. He lives for the thrill of battle, and would gladly dive into any situation where he could fight something.