Everyone in Gotham City knows theJoker . He is a serial slayer and terrorist who is domain renowned , specially due to his unique show . His own face and demeanor mean that the few time that the Joker in reality needs to disappear and lie low , he has to use an false name , especially since he often does n’t remember his own name .

Over the years , the Joker has hire a wide variety of aliases to help him avoid detection . Some of these have been name calling that not even the most torrid Joker fan would be capable to gauge , and some of them have been so incredibly obvious that it ’s hard to ideate that the Joker genuinely call back they were good estimation at all . Of his many assumed name over the years , some have been more obvious than others , but all were essential to the Joker ’s plans .

10A. Rekoj Was the Joker’s Most Obvious Alias

Detective Comics#45 by Bill Finger and Bob Kane

A. Rekoj is easily the most obvious name that the Joker has ever used . During his earlier years , Joker was plotting retaliation against those who ’d wronged him , and he mean to fulfill his retaliation by posing as a music depot owner , mail poison records to his target . They released Joker gas the first sentence they were dally . It was a ridiculous plan , but it worked , and he kill several multitude before finally being exposed .

It ’s a wonder that it took theworld ’s outstanding detectiveso long to realize that A. Rekoj might just be the recurrence of the villainous Joker . It was one of the first fourth dimension in comic strip that the Joker decided to use an alias , and it ’s by far his worst one . Over the age , though , the Joker has find significantly better at hiding who he sincerely is .

Since 1940 , Batman and Joker have been two of the biggest enemy in funnies . These news report show why they make for the utter prankish - curse rivalry .

Batman split screen on the right with Joker split screen on the left running at the viewer with more heroes and villains behind them

9Joseph Kerr Was the Joker’s Start at a New Life

Batman: Legends of the Dark Knight#65 by J.M. De Matteis, Joe Staton, Steve Mitchell, Digital Chameleon, and Willie Schubert

The Joker has been trying to down Batman for years , but he never expects to actually succeed . He always expect Batman to escape , no matter what ridiculous death trap he ’s put in . But the Joker was confront with the unthinkable when it seemed like he actually pop Batman with a bomb . Initially , the Joker was overjoyed , but he rapidly realized that without Batman , crime has no punchline . Because of this , the Joker immediately pay up his life of crime and assumed the identity element of Joseph Kerr .

Joseph began work at a healthy job , and he even managed to find a passion interest . alas , this new status quo did n’t last , and when Batman was see alive again , the Joker ’s personality resurfaced , ruin Joseph ’s life . It ’s ill-defined how long he would ’ve remained in concealment , as Joseph Kerr is n’t a particularly good alias .

8Jack Napier Is the Joker’s Most Accepted “Real” Name

Batman: White Knight#1 by Sean Murphy, Matt Hollingsworth, and Todd Klein

Jack Napier is by far the most accepted name of the Joker . In Tim Burton’sBatman , the Joker was retread into being responsible for for theThomas and Martha Wayne murders , and he was given the name " Jack Napier , " which is now widely affect to be the Joker ’s true name . Even if his last name is n’t Napier , Jack is often used as his first name . The Jack Napier name is used in Sean Murphy’sBatman : White Knight , where the Joker is actually cure of his insanity by Batman during a brutal attack .

Once cure of his madness , the Joker ’s persona subsides , and Jack takes control . referee get their first long - lasting expression at what a reasonable version of the Joker would truly be . While previous story such asGoing Sanetouched on this possible action , none explored it as much as Murphy ’s interpretation of Jack Napier .

7Jack Oswald White Is Another “Official” Joker Name

Flashpoint Beyond#5 by Geoff Johns, Tim Sheridan, Jeremy Adams, Xermánico, Mikel Janín, Jordie Bellaire, Romulo Fajardo Jr., and Rob Leigh

TheFlashpointuniverse is one of the darkest worlds in the DC Multiverse . or else of Bruce Wayne becoming Batman , it was Thomas Wayne , and Martha Wayne became the Joker . In this world , Joe Chill killed Bruce in Crime Alley during that fateful dark , leading to a much darker world in general . The engagement between this Batman - Thomas - and the Joker - Martha - was absolutely bestial . Eventually , both character realized that theFlashpointtimeline was n’t stand for to subsist .

rummy as to who was supposed to be the Joker instead of her , Martha used this noesis to track down the human beings who would ’ve been the Joker had Bruce survived rather . Martha reveals that this gentleman’s gentleman ’s name is none other than Jack Oswald White , and he lives with his family and works a menial Book of Job , very like to the backstory told in Alan Moore and Brian Bolland’sThe Killing Joke .

The newest Joker ’s real name and secret origin comes to light and creates an unexpected crook in the mystery behind DC ’s multiple Jokers .

Joker Mystery Identity DC

6Johanne Kaiser Was Joker’s Identity In A Nightmare World

Knight Terrors: The Joker#1 by Matthew Rosenberg, Stefano Raffaele, Romulo Fajardo Jr., and Tom Napolitano

During the events of the channel - wide crossoverKnight Terrors , every fictional character was ensnare in a man of their bad nightmare . TheJoker ’s " Knight Terror"was specifically the idea of him accidentally kill Batman . Without Batman , the Joker became completely demotivated to confide crime and ultimately terminate up buzz off a job at Wayne Enterprises under the name of Johann Kaiser . No one realise that he was the Joker , mostly due to the absurd pipe dream system of logic of nightmares .

As far as names go , Johann Kaiser is a much stronger alias than his late " Jack " figure . It still would n’t be too hard for a world - class detective to guess that Johann Kaiser is just the Joker , but it would n’t be anyone ’s first thought either .

5Red Hood Was a Truly Great Joker Disguise

Detective Comics#168 by Bill Finger, Lew Sayre Schwartz, Win Mortimer, and George Roussos

Red Hood is mostly fuck today for being the false name of Jason Todd , but originally , the Red Hood was none other than the Joker , and no one saw this change in name coming . InDetective Comics#168 , Batman narrate the one criminal who catch off from him by diving into a vat of Lucy in the sky with diamonds . He finally comes to learn the personal identity of this felon : the Joker . After Batman had been fight the Joker for days , he only discovered this data link by sodding chance .

After the Red Hood set up an attack on a schoolhouse where Batman was giving a lecture , Batman finally unmask him and discovers it to be the school gardner who had defeated the true Red Hood and interlock him in a tool shed . When Batman freed the man , he discovered it was none other than the Joker . This alias was capital because there ’s really no connection between the Joker and the Red Hood moniker .

4Oberon Sexton Was One of the Joker’s Most Successful Aliases

Batman and Robin#13 by Grant Morrison, Frazer Irving, and Pat Brosseau

The Joker used the Oberon Sexton alias to groovy achiever . Originally a British novelist who specialized in honest offence , Sexton eventually settle to stage the ultimate rightful crime by murdering his married woman . He stand for to change by reversal this into a story , but was promptly off by the Joker almost instantly after . The Joker then stole his identicalness and returned to Gotham City . This disguise , partly due to it being an real somebody , was so good that the Joker was adequate to of working direct with Batman and Robin .

The Joker did n’t practice this identity much , almost immediately shedding it after this particular story , but it was by far one of the peachy he ’s had . Being able to knead directly with Batman and Robin requires a lot more than just a mere name change .

3Mr. Grimaldi Was a Bizarre Name Choice

Batman#144 by Chip Zdarsky, Giuseppe Camuncoli, Andrea Sorrentino, Stefano Nesi, Dave Stewart, Alejandro Sánchez, and Clayton Cowles

When the Joker was first pop out , he had n’t really made a name for himself yet . One of the earliest aliases used by him was Mr. Grimaldi , have the name from Joseph Grimaldi , a seventeenth 100 English performer who often took on the role of a clown . The Joker understandably took aspiration from this backstory , as he borrowed the name during one of his first ever vicious act , as detailed inThe Joker : Year One .

This assumed name is unmated , because on the surface , Mr. Grimaldi does n’t immediately ring any alarms about being interrelate to the Joker . But on the other hired man , he only ever used this alias while literally dressed up in a full clown suit . The only reasonableness the Joker managed to get away with this one is that no one knew who he was yet . Overall , this alias could go either way , but due to lack of use , it ’s one of his good ones .

DC ’s latest Joker story is going back for a 2d printing process , and the new cover for Batman # 142 will sure as shooting become an iconic image for JOKER : YEAR ONE .

Close up of the Joker laughing maniacally with wide eyes.

2Darwin Halliday’s Red Mask Was Almost the Perfect Disguise

Batman#131 by Chip Zdarsky, Mike Hawthorne, Adriano Di Benedetto, Tomeu Morey, and Clayton Cowles

Darwin Halliday has absolutely no resemblance to the Joker whatsoever . It ’s well-nigh a double-dyed alias . While Batman was trapped in another universe , he pick up that certain quality were inherently change , and some were in a flash miss . One of the biggest absences was the Joker , who was evidently nowhere to be establish . Instead , a unexampled person was take to the woods Gotham , someone Batman had never see before : the criminal Red Mask .

Batman had no idea who Red Mask was , but the very first time he got even a glance at Darwin Halliday , he in a flash knew that he was the Joker . That mystery story makes this one of the Joker ’s secure aliases . Even though the name has no relation to the Joker at all , seeing Darwin was all Batman involve to know exactly who he was on the inside .

1Eric Border Was the Perfect Joker Alias

Batman#36 by Scott Snyder, Greg Capullo, Danny Miki, FCO Plascencia, and Steve Wands

After the events ofDeath of the Familyfrom the New 52Batmanrun , the Joker vanish from Gotham City - or so everyone recollect . In reality , the Joker had simply taken up residence at Arkham Asylum , posing as the hospital attendant known as Eric Border . The Joker interacted with Batman several times as Border , hold full conversations with him , and Batman never surmise a affair . The Joker went through great effort to hide his indistinguishability , using muscle relaxers and even change the pigmentation of his skin through chemicals .

It ’s not like the Joker did n’t leave any cue either , as he eventually revealed the origination of the name Eric Border and demonstrate that the clues were all there . But the unassuming name combined with all the travail the Joker put into his visual aspect means that Batman just never caught on . Of all his substitute name over the year , Eric Border is most definitely theJoker’sgreatest .

The Joker is a psychopathic vicious conceiver with a warped sense of humor . Initially stick in as a remorseless sequential grampus , the character evolved over time , often oscillating between a prankster and a homicidal lunatic . His human relationship with Batman is one of the most complex in risible book history , defined by their reciprocal obsession . Over the decades , the Joker has become an enduring icon of chaos and madness , embodying the antithesis of Batman ’s order and justice .

joker with his alter egos, red hood and oberon sexton

Custom Image by Robert Wood

Summary

The Joker is one of the most iconic baddie in funny book account , known for his chaotic nature and as Batman ’s ultimate nemesis . He has been portrayed by multiple actor in various media , each bringing their unequaled interpretation to the character , from Cesar Romero ’s camp take in the 1960s to Joaquin Phoenix ’s coarse-grained portrayal in 2019 . The Joker ’s influence extends beyond comics into motion-picture show , TV shows , and video games , making him a base of DC ’s villainous pantheon .

The Joker Using The Alias Of A. Rekoj

Joker Introduces Himself As Joseph Kerr

Martha Wayne Reveals The Jokers True Name

Joker Working At Wayne Enterprises As Johann Kaiser

The Joker Secret Identity Gravedigger Batman

The Joker Assumes The Alias Of Mr. Grimaldi

Eric Border Reveals Hismelf As The Joker

The Joker in Batman: The Animated Series (1992)