A 12 Year Old Boy Trained in Martial Arts for Years
Robin
for Robin in Batman: Unchained/Triumphant
Suggested by micahmadera
5 years after Batman and Robin, the movie begins with Harley Quinn (Madonna) Joker's daughter who sees his ghost (Jack Nicholson.) right in front of her window. He tells her to... "Kill The Batman!" Harley replies "I Will!"
