50 Facts About The Joker

Since his debut in the Dark Knight comic series, this insane criminal mastermind has made it his personal mission to engage in a never-ending battle against the Caped Crusader. Over the years the joker has caused us plenty of ‘ooo’s’, ‘ahh’s’ and ‘sitting on the edge of my seat’ moments! But do you really know a lot about Gotham’s #1 Villain? Keep on reading to learn 50 facts about the Joker. 

Fact 1: The Joker is a supervillain created by Bill Finger, Bob Kane, and Jerry Robinson.

  • The Joker first appeared in the debut issue of the comic book Batman published by DC Comics on April 25, 1940. 

Fact 2: The Clown Prince of Crime is portrayed as a criminal mastermind who is a psychopath with a warped sadistic sense of humour.

  • However, his character became a goofy prankster in the late 1950s in response to regulation by the Comics Code Authority. 

Fact 3: The Joker was responsible for the death of the second Robin.

  • He murdered Jason Todd who was Batman’s sidekick and ward. He also caused the paralysis of Barbara Gordon. 

Fact 4: Unlike other villains, the Joker possesses no superhuman abilities.

  • Instead, he uses his expertise in chemical engineering to develop poisonous or lethal concoctions and thematic weaponry, including razor-tipped playing cards, deadly joy buzzers, and acid-spraying lapel flowers.

Fact 5: The Joker also has an equally crazy girlfriend by the name of Harley Quinn. 

  • Harley Quinn was first introduced in the 1990s as the Joker’s former psychiatrist, before becoming his villainous sidekick and lover. 

Fact 6: Although he has an unhealthy obsession with the Batman, the Joker has also fought other DC superheroes. 

  • These include Superman and Wonder Woman. 

Fact 7: The Joker has been listed among the greatest comic book villains and fictional characters ever created. 

  • The character’s popularity has seen him appear on a variety of merchandise, such as clothing and collectible items, inspired real-world structures, and he has been referenced in a number of other media productions.

Fact 8: The inspiration for the Joker’s creation was the 1928 film “The Man Who Laughs”.

  • Jerry Robinson then produced a sketch of the iconic villain on a playing card.  

Fact 9: Actor Conrad Veidt played the character “Gwynplaine” in the film “The Man Who Laughs”.

  • “The Man Who Laughs” is a romantic film, which focuses on the lives of Gwynplaine and Dea. Gwynplaine is a disfigured gentleman who is ridiculed by the crowds, and Dea is a blind young woman, together they find peace and love – but I won’t spoil the ending for you!    

Fact 10: The Joker debuted a year after Batman’s debut in Batman #1 in the spring of 1940. 

  • The Dark Knight debuted first in Detective Comics #7 on May 1939.  

Fact 11: The Joker killed his victims with “Joker Venom”.

  • The toxin would then leave their faces with grotesque smiles. 

Fact 12: The Clown Prince of crime was supposed to die in his second appearance in Batman #1.

  • Initially, the writers intended for him to die after being stabbed, thankfully, they scrapped the idea.  

Fact 13: The Joker took the 5th spot in Wizard Magazine’s ‘200 greatest comic book characters of all time’ list. 

  • Wolverine was top of the list! Followed by Batman and Spider-Man in second and third places.

Fact 14: He was also a contortionist and a master in martial arts. 

  • In “The Batman” animated series, the Joker easily engaged Batman in a hand-to-hand combat while twisting his body around in ways that no normal human could.

Fact 15: The Joker does his own make-up.

  • When Heath Ledger played the iconic role in 2008’s “The Dark Knight”, he refused to have anyone else do his make-up for him, he used cheap superstore make-up to decorate himself. 

Fact 16: He has no teeth really. 

  • When Barbara Gordon finally got her revenge on him she hit him so hard with a crowbar it knocked out all of his front teeth. 

Fact 17: The Joker was once merged with Sabertooth.

  • In the Amalgam Comics, a 12-issue miniseries published by both Marvel and DC, the Joker was combined with Marvel’s villain Sabertooth to become the ‘Hyena’, the arch-nemesis to ‘Dark Claw’ who was a Batman/Wolverine hybrid.

Fact 18: In the 2016 “Suicide Squad” movie, Jared Leto’s Joker used his tattoos as mementos. 

  • His version of the Joker went from playful, yet evil clown, to straight-up gangster crime boss, complete with piercings, gold chains, and tattoos galore.

Fact 19: Jared Leto stayed in character throughout filming. 

  • Leto took his method acting to a new level when he sent some of his castmates creepy gifts ahead of the beginning of filming.

Fact 20: Jared Leto sent Margot Robbie’s Harley Quinn a dead rat.

  •  While the rest of the “Suicide Squad” cast received a dead pig. 

Fact 21: The Joker and Harley Quinn, allegedly, almost had another baby. 

  • In Batman: Arkham City, after the Joker passed away, Harley Quinn had a false positive on a pregnancy test that she took. 

Fact 22: The Joker did have daughters! 

  • In “Injustice: Gods Among Us”, Harley Quinn revealed to Black Canary that she once had a child with the Joker, but decided to hide the child from him. The Joker also has a non-biological daughter, Duela Dent, who dresses up like the Clown Prince and calls herself “The Joker’s Daughter.”

Fact 23: During the airing of the 1960’s TV show “Batman”, the actor who played the Joker refused to shave his moustache. 

  • Cesar Romero was adamant on not wanting to shave his moustache for the role so the crew had to paint over his mustache with white paint.

Fact 24: In “The Batman Who Laughs”, Batman went insane after an encounter with the Joker.

  • The Caped Crusader then proceeded to take out every member of the Batfamily as well as wiping out Gotham City.  

Fact 25: The Joker was not a single person.  

  • During DC Rebirth, Batman found out that there were actually 3 different Jokers!

Fact 26: Jared Leto shaved his eyebrows for his role as the Joker. 

  • Aside from his non-existent eyebrows, Leto’s Joker also had tattoos, grills, flamboyant outfits, and jewellery. 

Fact 27: He once cut off his own face. 

  • In the first major story of Detective Comics, the iconic villain decided to turn over a new leaf which included removing his own face. He did, however, sew his face back on using a bunch of needles and straps. 

Fact 28: The Joker might be a thousand-year-old demon. 

  • In Scott Snyder’s “Batman: Endgame”, the Clown Prince himself teases that he may or may not be an immortal demon destined to fight Batman for all eternity.

Fact 29: The Joker turned Robin into a mini-me version of him. 

  • In “Batman Beyond” the Joker kidnapped and tortured Robin, turning him into a smaller version of the sinister villain. He also implanted in Robin his own genetic material and consciousness. 

Fact 30: Heath Ledger wanted Christian Bale’s Batman to literally beat him up. 

  • The actor went deep into his role as the Joker in 2008’s “Dark Knight” and refused to break character even off-set. Bale revealed in an interview that ‘Ledger wanted Bale to beat him up during a pivotal scene’. 

Fact 31: Heath Ledger violently threw himself into walls and tables to make his scenes look realistic when he played the Joker!

  • The ‘method acting’ system is actually adopted by several well-known actors including Tom Hanks, Ralph Fiennes and Leonardo DiCaprio. 

Fact 32: Raven’s mental powers don’t work on the Clown Prince. 

  • In the “Titans East Special”,  Raven tries to use her powers to show Joker his deepest fears, but the villain was completely immune.

Fact 33: The Joker had the ability to bend reality. 

  • In “Superman”, the villain Mr. Mxyzptlk, gave the Joker universe-altering powers, making the Clown Prince an immortal who could bend reality at will. He then used these powers to conquer the world, turn the Justice League into a team of villains, and put Batman into a perpetual state of torment.

Fact 34: The Joker has no ‘sanity’ in him. 

  • In Grant Morrison’s “Arkham Asylum”, it is revealed that the Joker has what they call “Super Sanity” which means that the Clown Prince doesn’t have any personality at all. Instead, this mental state allowed the villain to adapt his personality to whatever situation he is in.  

Fact 35: He used to work as a lab assistant and tried his hand at being a comedian. 

  • That was before he found his calling as a criminal mastermind that terrorized Gotham. 

Fact 36: Juaquin Phoenix takes on the iconic role of the Joker in a 2019 stand-alone Joker origin story “The Joker”.  

  • He plays Arthur Fleck, a failed stand-up comedian who turns to a life of crime and chaos in Gotham City.

Fact 37: The Joker knows Batman’s real identity but he doesn’t seem to care. 

  • The Joker sees Bruce Wayne as a mask for Batman and not the other way around, and he would ultimately just be bored to death if either persona were ever harmed.

Fact 38: Before Harley Quinn, the Joker had Gaggy as a sidekick. 

  •  Gaggy was a midget sidekick of the Gotham villain way back in the 50’s.

Fact 39: Mark Hamill was the voice behind the Joker in “Batman: The Animated Series” for 20 long years.  

  • Mark Hamill is known for the role of Luke Skywalker in the Star Wars films. 

Fact 40: Superman punched a hole through the Joker’s chest. 

  • In the “Injustice: Gods Among Us” comic series, The Joker tricked the Man Of Steel into thinking he had killed Lois Lane, so Superman retaliates by punching a hole right through the Joker’s chest.

Fact 41: He once fought Judge Dredd.

  • After falling through a rip in the fabric of space and time, the Joker found himself in cahoots with Judge Dredd’s nemesis, Judge Death. Together, they wreaked havoc all over Mega City One. 

Fact 42: He killed Batman’s parents. 

  • In the 1989 film “Batman”, Jack Nicholson was cast as the Joker. This allowed the writers to script him as the murderer of the Dark Knight’s parents. 

Fact 43: The Clown Prince was married. 

  • According to accounts of both the Joker and the Riddler, a woman named Jeannie is said to be the wife of the man who became the Joker.

Fact 44: Robin Williams was supposed to play the Joker in Tim Burton’s “Batman” movie. 

  •  Unfortunately, it never worked out. 

Fact 45: The Joker’s girlfriend, Harley Quinn wasn’t originally going to be in the comics. 

  • In fact, Harley Quinn made her debut in the ‘90s in “Batman: The Animated Series” as Dr Harleen Quinzel, The Joker’s appointed therapist in Arkham Asylum.

Fact 46: The Joker murdered the ‘boy wonder’. 

  • In a famous 1989 edition of the Batman comic book series, The Joker kidnaps Robin and ties him up inside a warehouse, which he then blows up with the ‘boy wonder’ still inside.

Fact 47: His real name is Jack Napier. 

  • Although the name isn’t accepted as canon, Jack Napier is widely agreed upon as The Joker’s real name.

Fact 48: The Joker even made a cameo in “Scooby-doo”. 

  • In “The New Scooby-Doo Movies” episode “The Caped Crusader Caper”, The Joker teams up with The Penguin to kidnap Professor Flakey, to get his hands on the newly invented flying suit.

Fact 49: He nearly kills Harley Quinn after she defeats Batman in “Mad Love”. 

  • In the 1994 Batman episode, the Joker felt emasculated by his own failure after Harley Quinn beat him in defeating the Caped Crusader. He proceeded to injure her because he was worried about what the other villains would think of him. 

Fact 50: The Gotham villain was a lesbian.

  • In ‘Batman: Thrillkiller’, The Joker was a female criminal who was in a lesbian relationship with Harley Quinn.    


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