Jason Todd was recruited and trained to become Robin sometime after Dick Grayson was fired. As Robin, Jason was very skilled but at the same time very violent which worried Bruce. Late into Bruce career after capturing the Joker and saving his hostages Batman and Robin investigated the suicide of a number of Bruce’s friends. They eventually figured out that the culprits were Posion Ivy and Killer Croc. After stopping the two found out the Joker escaped although Bruce was to injured to go out and stop him. Overhearing Bruce say he wasn’t ready to take on the mantle of Batman Jason went to find the Joker on his own. However upon locating his hideout he was beat to death by his henchmen.