Ajax in Genshin Impact is the real name of Tartaglia or better known for his other alias, Childe. He is the Eleventh member of the Fatui Harbingers and has appeared in multiple story events in the game. Childe, was born as the eldest sibling among his brothers and sisters- Teucer, Anton, and Tonia. Childe is basically a peacock a very prideful individual, he loves to show off and be the center of attention.