Tartaglia has short wavy red hair and blue eyes. He wears a red Fatui mask, sliding it to the left side of his head. He is dressed in a simple gray suit consisting of trousers and a jacket with an asymmetric clasp. Ajax is a cheerful simpleton who is part of the Fatoui organization. He is the eleventh harbinger. He likes to fight on equal terms. Ajax is 190 centimeters tall and 17 years old.