Batman only knocked out Joker's teeth after the Clown Prince of Crime murdered Robin. He has the resulting grill while he's locked in Arkham Asylum, the place he'd first meet Harleen Quinzel.
But Joker killed Robin and Batman basically smashes his teeth out and locks him up in Arkham Asylum. It's in the asylum where Joker would have done the 'damaged' tattoo as a message to Batman saying, 'You've damaged me.
In an interview with Empire, Ayer noted that while Joker's tattoo is sort of a "personal thing" and not necessarily part of an overarching connection, it originates from when Batman smashes out Joker's teeth and locks him away in Arkham Asylum after discovering that he murdered Robin.
The most common story involves his falling into a tank of chemical waste that bleaches his skin white and turns his hair green and lips bright red; the resulting disfigurement drives him insane. The antithesis of Batman in personality and appearance, the Joker is considered by critics to be his perfect adversary.
The Real Reason The Joker Isn't In The Suicide Squad
What mental illness does the Joker have?
The psychopathology Arthur exhibits is unclear, preventing diagnosis of psychotic disorder or schizophrenia; the unusual combination of symptoms suggests a complex mix of features of certain personality traits, namely psychopathy and narcissism (he meets DSM-5 criteria for narcissistic personality disorder).
Director Todd Phillips considered the character's body size as one way to represent his vulnerability. It is important to emphasize that unlike most people who diet to lose weight or who develop an eating disorder, Phoenix's weight loss was intended for the short amount of time it took to shoot the movie.
In the documentary I Am Heath Ledger (via Digital Spy) it's revealed that, in order to keep the prosthetics in their place as they got loose when he spoke, Ledger had to lick his makeup to keep it in place, and it ended up becoming part of the Joker's manic personality, as well as his most memorable mannerism.
Batman only knocked out Joker's teeth after the Clown Prince of Crime murdered Robin. He has the resulting grill while he's locked in Arkham Asylum, the place he'd first meet Harleen Quinzel.
Narratively, he got a permanent smile scarred into his face just by being born, which is tragic. But cinematically, the idea came from the 1928 silent movie that inspired the character's creation in the first place, The Man Who Laughs (the link to The Batman Who Laughs is clear).
The teeth are wind-up prank teeth that giggle and hop around in a small radius where they are left. The teeth, when broken, break in half and their laugh box detonates. Joker Teeth, also known as Chattering Teeth, are mechanical gag teeth used by the Joker.
The Joker had his face surgically removed with the help of Dollmaker in the New 52's Detective Comics #1, later regrowing it using the Dark Multiverse metal known as Dionesium in Batman: Endgame.
He also revealed his real name: Jack Napier. Napier spent all of his efforts revealing how Batman's false heroics actually only lead to greater corruption in Gotham City.
What disease does the Joker have that makes him laugh?
The above-mentioned characteristics make the Joker's laughing episodes compatible at first sight with the pseudobulbar affect, a clinical entity characterized by episodes of exaggerated or involuntary expression of emotions, including uncontrolled laughing or crying.
The Joker's mask is a means of fabricating a (false) past pain and instilling a present fear. Bane also wears a mask that covers his mouth, but his mask fulfills a purpose outside of terror: Bane's mask provides him with analgesic gas for his immobilizing pain.
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.
Later, Arthur goes to Arkham State Hospital and steals his mother's records, and finds out that he was in fact adopted, and that Thomas Wayne is not his father and that Penny is not his true mother.
Everyone knows Harley Quinn as the Jokers' girl, but how did she become Harley Quinn? Personality Disorder, specifically, Histrionic Personality Disorder plays a key part in Harley Quinn's life.
Joe has criteria that correspond to obsessive-compulsive personality disorder, which is that he is often anxious about himself and the people he loves, so he cannot control his emotions to commit sadistic actions to kill people who he considers to interfere with the relationship between Joe and Beck.
"I'm not a great student of the Batman comic strip, but I understand that the Joker got the green hair because, in one of the first strips that he appeared in, in making his escape from Batman, he dove into a river that was full of a certain chemical that turned his hair green. So from then on he's had green hair."
The comics series The Joker: The Man Who Stopped Laughing features Batman's nemesis get pregnant after a curse is placed on him, Daily Mail reported. Eventually, the Joker "vomits a sort of brown goo" that transforms first into a baby boy and then into a mini version of himself.
