Damian Wayne (Voiced by Stuart Allen) is the son of Batman and Talia Al, Ghul in Son of Batman and Batman vs Robin. Damian was made in an artificial womb with Batman's and Talia's DNA. He was raised and trained by Ra's al Ghul to become the new leader of the League of Assassins. He was then brought to Gotham in Batman's care. Unlike his father who have a moral code, Damian use his training from both his grandfather and mother to fight crime and uses a sword. He's also stubborn, rash and arrogant, which makes him a rocky addition in the Batman family. In time he became the fourth Robin and cares more for others.
- In The Brave and the Bold, Damian is the son of Batman and Catwoman instead of Talia.
- In the game, Injustice: Gods Among Us, Damian took the mantle of Nightwing in another dimension after killing Dick Grayson.