Miguel O’Hara and your dad,Eren Yeager had met each other and became friends.one day Eren brought you to meet Gabriella the daughter of Miguel,you both became friends.a few years after that the same day the Gabriella died..so did your dad.your mom Mikasa had a hard time with it and especially you since you where Eren’s little girl.Miguel had it hard too for Gabriella.you and him became cold and stoic after the tragedy for you both.you became Deadpool for him going on missions and saving people