Jason Todd, while gifted in almost every combat and investigate skill Batman taught him, refused to keep his violent tendencies under control and often defied Batman's orders in the field, putting both of them in danger. After several attempts to resolve the situation, Bruce fired Jason.
In time, (due to Joker showing him a photo of Batman with a new Robin); Jason lost hope and started to hate his mentor for leaving him to die. After he escaped, he became vengeful and wanted to kill Batman.
Although his relationship with Bruce never truly healed, it did mend after a while with Bruce forgiving Jason for his actions and allowing to join Batman Incorporated as Wingman.
Batman then takes him in and raises him as the new Robin, though realizes early on that Jason has a violent streak. After Jason is killed by the Joker and resurrected in the Lazarus Pit, he goes on to become the Red Hood, straining his relationship with Batman.
The Red Hood was originally a disguise worn by the Joker before he was transformed into a laughing maniac. Jason chose to take over the moniker so he could own what the Joker did to him and use it to become the Joker's destruction.
Batman has trained many young heroes as Robin, and while they have all been impressive on their own, DC just confirmed that one stands above the others in terms of power: Damian Wayne is the most powerful Robin.
After being revived by Ra's al Ghul with a Lazarus Pit, he took up the Red Hood alias and became a murderous vigilante at odds with the Bat Family and their allies, before later redeeming himself and becoming an ally of Batman again.
because he was afraid of what he would find.
He knew Jason was killing people, and Batman couldn't live with the shame of knowing that he had unintentionally created a deadlier version of Joe Chill.
TLDR: Superman didn't save Jason because he was being tortured by Lex Luthor at the time in order for Luthor to create Conner Kent/Superboy. This is why he wants nothing to do with Superboy once he appears.
Jason withstood all the torture, however, when the Joker decided to end it, he held a knife to Jason's throat and asked for his last words. Broken, Jason tearfully replied "I wish I'd never met Bruce Wayne".
Joker Killed Jason Todd to Destroy His Own Conscience, DC Implies - IMDb. Jason Todd's brutal murder at the hands of The Joker is one of the darkest moments in Batman's mythos, but The Clown Prince of Crime may have killed the second Robin to destroy what is left of his conscience.
Enraged, he goes to Ra's al Ghul's mansion and demands the truth about Jason. Ra's reveals that he switched Jason's body and revived him in the Lazarus Pit because, as the one who hired the Joker as a distraction from his own activities at the time, he felt responsible for the boy's death.
On Earth- 51, Batman went on to kill the Joker after Jason Todd's death and eventually killed off a majority of his world's Supervillains in ways that looked like accidents. Because he was never caught, he simply went into semi retirement along with the majority of his world's heroes.
By 13, Jason was running around as Robin II. When he died, it said on his death certificate that he was 15 (and still undersized from his time living on the street).
Joker's original idea was revealed in Jim Starlin and Jim Aparo's legendary Batman: A Death in the Family. After beating Robin half to death with a crowbar, Joker tries to use a bomb to not only kill Jason, but to also wipe out any and all evidence of Joker ever having been there.
Jason has long resented Batman for refusing to kill the Joker, believing he chose the villain's life over his.
If Jason Todd had the opportunity, would he still kill the Joker? No, while Jason is still haunted by the past, he doesn't want to kill the Joker anymore. Jason said that he can't kill the Joker because he lives in his memories and for the Joker to die he would need to forget what happened to him.
How did Joker torture Jason Todd? - Quora. Joker faked Jason's death & sent it to Batman, ensuring that Batman would never try and find Jason. Then, he kept him in Arkham Asylum and tortured him for almost 2 years.
Martha reveals that she forced Psycho-Pirate, a villain with extensive knowledge of the entire DC Universe, to tell her the name of the Joker in the main DC Universe. It is then revealed that the Joker's real name is “Jack Oswald White.”
The wide smiles say it all, and Jason also makes it clear that while he didn't know Bruce was Batman back then, he does reconcile that night with when he was caught. Batman took him out for burgers and they sat on the hood of the Batmobile, talking about life and getting to understand each other.
Batman: Three Jokers #2 teased a romance between Red Hood and Batgirl, but the finale saw Jason outright confess his love for Barbara. Batman: Three Jokers is full of twists and turns, one of which was the unexpected prospect of romance between Batgirl and Red Hood.
Dick Grayson remains the strongest and most skilled Robin (proven in Battle for the Cowl), but he has grown so much as a character and become his own man taking up the mantle of Nightwing to distance himself from Batman.
Jarro grew attached to Batman and even often calls him “father”. He wanted to prove to Batman that he can be the best Robin and even convinced Batman to give him a chance. Jarro became the new Robin and was even said to be Batman's favorite Robin, admitted by Batman himself.
But Jason Todd, hands down, remains the Robin that fans have hated the longest.
Although Kahn dispelled rumors that the process was rigged in favor of Jason's demise, O'Neil said it was possible many votes favoring Jason's death came from a single person. He recalled hearing that "a lawyer programmed his Macintosh to dial the killing number every few minutes", but had no evidence.