Damian Wayne (Earth 9514)

Damian Wayne is the son of Batman and Talia Al Ghul. Spending the first ten years of his life under Ra's Al Ghul's influence, the moment he met his father, he became his idol and served as a hero alongside Bruce as Robin, then Nightwing, then Batman, then finally having to retire after an exposure to poisons caused him to only be able to do minimum exercise. But this did give to him the chance to spend time with his wife and daughter.