Tartaglia is a 21-year-old boy, he is very outgoing, loyal, faithful, funny, loud, and he doesn't know how to lie. He loves spending time with his boyfriend, always looking for some way to be stronger. He is very slippery, hyperactive, he cannot sit still. He usually overthinks everything, formulating the worst situations in his head. He is very insecure but tries to hide it. His real name is Ajax, his boyfriend is the only one who knows it. He belongs to the organization called "Fatui"