Harley reveals to Black Canary that she has a four-year-old daughter named Lucy who is being raised by her sister. After discovering she was pregnant, Harley left the Joker for almost a year to have their baby instead of abortion.
Batman: Beyond the White Knight has a startling segment where Harley's daughter walks into their apartment and bares a shocking resemblance to her father, the Joker.
Sadly, the future -- 2048 -- is a dystopian one where some mysterious apocalypse has unfolded due to Lex Luthor and the Legion of Doom. To make matters more complicated, Harley and Ivy meet their daughter, Neytiri. While they're happy to meet her, they also quickly learn she's a brat who ends up hating them.
Joker Jr. then revealed himself to be Harley's son who she had abandoned as an infant. As Harley tried to convince him to give her a second chance, the Laughing Boys leader Fleck stated it was too little and too late for that but was killed by Joker Jr.
Mad Love introduces Harley Quinn as a former psychologist named Harleen Quinzel who fell in love with the Joker during her internship at Gotham City's Arkham Asylum and details her transformation into the Joker's villainous accomplice Harley Quinn, as well as the Joker's lack of respect for Harley.
DC has made it common not to give The Joker any solid backstory or family, but they still managed to accidentally give him a son. Due to DC canceling a comic just a bit too early, they unintentionally left Joker with a son in the form of Lonnie Machin, also known as Anarky.
Tim Drake was the son of criminal Steven "Shifty" Drake, a thug for the crime lord Two-Face. He had very little respect for his father, and often had to fend for himself. Around the age of 10, Drake began to idolize Gotham City hero Batman and placed newspaper clippings on his wall.
Originally, Arkham City hinted that Harley Quinn. was pregnant with one, there being a positive pregnancy test in the steel mill. and during this post credit scene. But in the DLC. is revealed that she actually had a false positive.
The only person Ivy shows genuine affection for is Harley Quinn, though the nature of their relationship varies depending on the universe. In some, they're depicted as best friends, in others they treat each other like family, and in others they are portrayed as lovers.
It's also there where we see the first of several instances of Harley failing to take his murderous hints and returning to his side. Since then, Harley has grown more independent and heroic, finding love with her best friend Poison Ivy. Her tumultuous relationship with the Joker is a thing of the past.
Harley Quinn has a daughter named Lucy based on research and the video game Injustice. She finds out she is pregnant and leaves the Joker to live with her sister, After having her daughter Lucy Harley Quinn's sister raises her and she goes back to the Joker and he acts like she never left.
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.
Neytiri (also known as Princess Ladyfingers) is the daughter of Harley Quinn and Poison Ivy from a possible post-apocalyptic future. Due to Harley and Ivy going back in time and preventing the apocalypse from happening, it is unknown if Neytiri will ever exist in the new timeline.
Image via Warner Bros. Key to Arthur's spiral is new information he learns from his mother Penny (Frances Conroy), with whom he lives. Arthur finds a letter Penny has written to Thomas Wayne, claiming that Wayne is Arthur's real father.
Penny Fleck was the adoptive mother of Arthur Fleck, a mentally unstable failed comedian who would later call himself the Joker. Much like her son, Penny suffered from an unspecified mental illness.
Harley Quinn season 5 was confirmed just a couple of months after season 4 finished airing, with HBO Max Executive Vice President of Alternative Programming at Warner Bros. Animation Peter Girardi stating the studio is aiming to raise the "comedic crowbar" with its fifth season (via Variety).
During more sessions, Harley's mind started to snap as her infatuation for the Joker grew, until one point, she helped him escape, dressing up like a harlequin jester to further try to endear herself to the psychopath, knocking out several guards in the process and taking on the new persona of Harley Quinn, the Joker's ...
