The Original Origin Story Detective Comics #168 revealed that the Joker started out as a small-time thief named the Red Hood. After robbing a playing card company and escaping by swimming through a polluted river, Red Hood found that his face and hair had become bleached. Thus, the Joker was born.
The rest of this story will be littered with movie plot points and spoilers. You have been warned! In Joker, Thomas Wayne (Batman's father) and Penny Fleck (Joker's mother) are key characters. Penny claims that Thomas is actually Arthur's father.
Batman on the Joker Infection. The Joker Infection was a unique condition created by the Joker's mutated blood that slowly turned those infected into direct copies of him.
It is then revealed that the Joker's real name is “Jack Oswald White.” Martha then shares that she visited the Flashpoint universe's version of Jack Oswald White, discovering him to be a struggling family man supporting his wife and a child as a janitor at Wayne Casino.
Arthur Fleck is just the protagonist of an origin story which is completely made up by the Joker. The one we see at the very last is the actual Joker. He is just sitting at the asylum the whole time and telling a made-up story to his psychiatrist.
The heist goes awry; the comedian leaps into a chemical vat to escape Batman, surfacing disfigured. This, combined with the earlier accidental death of his wife and unborn child, drives the comedian insane, turning him into the Joker.
These group of teenagers and kids antagonize Arthur Fleck stealing the sign running away from Fleck. As soon as Arthur catches up to them, they hit him with the sign, hitting him with it and then kicking him leaving him on the alley way running off.
There, Batman learns that the unstable properties of the Titan formula are mutating in Joker's blood, gradually killing him. Joker captures Batman and performs a blood transfusion on him, infecting him with the same fatal disease.
Arguably the Joker's greatest weakness is his ego, however. He turns to crime to get the attention he desperately craves from Batman.
Batman finally discovers the Joker's real name
Thus, the Joker's real name is none other than Jack Oswald White; however, the story about the discovery of his identity has a storyline.
In Joker's case, pseudobulbar affect probably occurred secondary to severe traumatic brain injury (TBI). A number of studies have established that TBI increases the risk of mood disorders, personality changes and substance use disorders.
In addition, Joker infected Batman with his blood as well to force the vigilante to find the cure for him. For the rest of the night Batman went through seemingly impossible odds to find a cure to save himself, his enemy and his city from certain death.
The Joker's body was an incubator for Titan Disease in Batman; Arkham City, and after mixing in with the various properties in the Joker's bloodstream, it became a disease that could kill anyone within a day, even the Joker himself.
One of the mysteries in director Todd Phillips' Joker is whether Arthur Fleck really is the son of Thomas Wayne as his mother Penny Fleck claimed. Both Wayne himself and Arthur Pennyworth said it was untrue and that Penny was delusional, hence her eventual stay in Arkham Asylum.
If there is a Joker sequel, then Batman and the Joker's possible brotherhood might be further explored. However, in the wider DC Universe, the Batman and Joker are not brothers and never were. (Image: Warner Bros.)
As he confronted his mother, Harley's allies found her and informed her that they had found Joker's body. Joker Jr. then revealed himself to be Harley's son who she had abandoned as an infant.
The Joker Hates Nazis, According to New DC Comics Story.
The Joker (real name unknown) is a homicidal maniac with a clown-like appearance, bent on creating havoc in Gotham City and fighting a never-ending battle against Batman.
While fans got to hear many memorable quotes from Joker in Batman: Arkham, the series also revealed what his greatest fear is supposed to be. As it turned out, The Joker feared being forgotten more than anything else because it meant nobody was afraid of him anymore, rendering all his crimes void.
Following several adventures with Catwoman and Ivy, Harley betrays them and breaks into Arkham Asylum, intending to kill the Joker for his years of abuse towards her.
Penny had a mental disorder and her case history records at the mental health clinic mention Arthur having a head injury after she abused him, tied him to a radiator and beat him alongside her abusive boyfriend.
Missing Eye: Joker had his right eye shot out by Harley Quinn.
Having found legal documents from Arkham which confirm his suspicions, Arthur kills her while in custody of the medical hospital by smothering her with a pillow in revenge for all years of lies and the abuse during his childhood.
History. According to the Joker, his father was "a drinker and a fiend". Joker claimed that his father gave him his cheek scars due to his being terrified when his father brutally stabbed his mother sadistically with a kitchen knife when she attempted to use to defend herself.
Stairwell with Mom's Records. This scene is probably the most emotional scene in all of Joker. Props to Joaquin because he puts on a fantastic performance. After Thomas Wayne tells him about his mother's stay in Arkham Asylum, Arthur tries to get the records.