Tartaglia, is also known by his codename "Childe" He is the Eleventh of the Eleven Fatui Harbingers. Wherever he goes, danger follows, and Childe is always eager for a challenge, making him extremely dangerous despite being the youngest member. Tartaglia is manipulative and uses people as pawns to get what he wants. He is actively aggressive towards people and he finds it difficult to contain his emotions. He seems to be friendly and kinda flirty even.