Seeing Jason as he was back then though, would have overwhelmed Batman with guilt and shame, perhaps even convincing him to retire as a hero entirely. This in turn showcases that Batman prioritized his own needs over Jason's. He knew that he could have helped his son, but he chose not to because it was easier.
Batman considers this his greatest failure: not properly training Jason in his role as Robin, and failing to protect him from the Joker. In the years to come, he would erect a memorial in the Batcave made from Jason's uniform.
Subsequent stories dealt with Batman's guilt over failing to save him. The character was resurrected in the 2005 "Under the Hood" story arc, which saw him becoming a murderous villain known as the Red Hood.
Blaming himself for Jason's death, a guilt-ridden Batman resolved to carry on alone. He even turned down Alfred's suggestion to involve Dick Grayson, his original partner.
Jason Todd was a short-fused street orphan until he met Batman after he had saved him from The Joker. Jason was trained by Batman and later became the second Robin, but he was beaten and tortured by the Joker, who sent Batman a video of the event and lied by telling him that Jason was dead.
Death of Batman. Batman save Jason Todd [Eng subs]
What did Batman do after Jason's death?
Traumatized, Batman takes Jason and Sheila's remains to Gotham and holds a burial with Alfred Pennyworth, Commissioner James Gordon, and Barbara Gordon. Batman blames himself for Jason's death and resolves to carry on alone, rejecting Alfred's suggestion to involve Dick Grayson, the first Robin.
Ironically, Bruce Wayne, the one person who truly loved Jason instead of manipulating him, was the one person whom Jason hated for the most of his life. Eventually, though, Jason and his surrogate father managed to return to talking terms, even forming a bond with one another similar to that which they used to have.
Jason's death and the events around it were so traumatic that Nightwing, when he was infected with fear toxin, one of the central themes of his nightmare was Jason's death as shown in Nightwing #10. Thankfully after Jason's revival, he and Nightwing have gotten the chance to foster an actual brotherly friendship.
Internally, he knew why: He didn't want to confront the monster Jason had become. The young man he had taken off the streets had been twisted up into perversion of everything Batman stood for. He had in essence become something just as bad, if not worse, than Joe Chill.
Jason has long resented Batman for refusing to kill the Joker, believing he chose the villain's life over his. However, the pair's relationship has somewhat repaired over time, as Red Hood even adopted his former mentor's no-kill rule while rejoining the Bat-Family.
Batman's three biggest personal failures are having his back broken by Bane, losing Jason Todd to the Joker, and giving Azrael the cowl. Bane breaking Batman's back was Bruce Wayne's most significant defeat, as the villain outsmarted and outplanned Batman at every step of the way.
In reality though, the Joker has him locked up in an abandoned wing of Arkham Asylum and proceeds to further torture him for about a year - warping his mind and making him believe that Batman just simply didn't care about him, abandoned him, and quickly replaced him with Tim Drake (Todd doesn't know that Batman thinks ...
Batman - who is currently under the influence of his violent Zur-En-Arrh personality - sees Jason siding with Selina Kyle as a personal betrayal and viciously takes him down, before brainwashing him so that if his adrenaline kicks in he will be overwhelmed with fear, unable to even move.
Rage: Jason's most notable weakness is his rage. Batman and numerous others have told him that his rage blinds him in battle to the point of leaving physical and mental weak points open for attacks.
After Batman caught Jason attempting to steal the tires of the Batmobile. Upon quickly discovering the boy doesn't have a family and has succumbed to resourcefully making a way for himself on the street, Batman takes Jason Todd in as one of his own.
What if Jason Todd had never died? Batman wouldn't have become as dark and depressed after and Tim probably wouldn't have tried to become Robin immediately, although he probably would have figured out Bruce's identity. Jason, however, did have an anger problem which possibly led to the death of Felipe Garzonas.
How old was Jason Todd when he died in Arkham Knight?
According to the Arkham Knight—Genesis tie-in comic, Jason is 15 when he meets Bruce. When he's trapped by the Joker before the events of Arkham Asylum, Jason is still a minor, not yet 18. His age is probably about 20-22 during the events of Arkham Knight.
Ra's revealed to Batman that he switched Jason's body and revived him in his Lazarus Pit because he felt responsible for the boy's death. Following his resurrection, however, Jason went wild and escaped, dropping his identity as Robin.
The truth is revealed that Harley Quinn herself was the one who unknowingly killed Nightwing, expressing her more violent side. A weird twist involves a potato clone inadvertently made by Jim Gordon, but Harley is still responsible for the murder.
Tim Drake Debuted as Robin Two Years After Jason Todd's Death. Tim eventually made his way to a still-grieving Bruce and proved himself worthy of the Robin mantle, donning his suit and aiding Batman against Two-Face in Batman #442 (by Marv Wolfman and Jim Aparo).
While fighting, Nightwing get sprayed by the fear toxin and goes crazy. He gets sliced by Scarecrow's scythe in the arm and before he can get impaled, Catwoman saves him.
A resurrected Jason, however, didn't see it that way and felt that Bruce not avenging him and allowing someone else to become Robin in his place meant that he never cared about him. To get back at Bruce, Jason becomes the Red Hood and started to kill criminals than handing them over to the police.
Having said that, Jason was supposed to have been 15 when he died. (On his way to the Middle East to find his biological mother, he asks an airline attendant for a rum and coke.
