
Harley Quinn (real name Harleen Quinzel) is a major antagonist in the DC universe, first appearing in Batman: The Animated Series, as the girlfriend and partner-in-crime of the Joker, and by extension one of the great enemies of Batman. Aformer psychiatrist, Harley Quinn adopts a jester outfit, and a villainous persona, while constantly hitting on the Joker on numerous occasions. An agile and strong fighter, Harley Quinn has been an official member to many villainous organizations, including the Secret Society of Villains, the Secret Six, the Suicide Squad, and various others. She is a secondary player in the Non-Disney vs. DC Villains War.

Non-Disney Vs DC Villains War[]
Vs the Gangreen Gang[]
At some point in time, Harley Quinn, and her fellow partner, Poison Ivy, challenge the Gangreen Gang, as their antics constantly bother the two women. At first glance, the Gangreen Gang mocks the women, only for Harley Quinn and Poison Ivy to reveal their skills and abilities, besting every single member of the gang, save only Ace for last. Before Ace would even react, Poison Ivy knocks out the Gang's leader with a powerful punch, taking him out easily.
The Trio of Villainesses[]
Later, Harley Quinn, Poison Ivy, and their new addition, the Livewire, meet at an iceberg lounge, disccusing about the control of the criminal empire to their own hands.
Video Game Villains War[]

Harley Quinn in the CGI Universe
Cartoon Villains War[]
Helping Green Goblin[]
After Kingpin's escape, Harley caught him for The Green Goblin.
Vs Green Goblin[]
Believing all his enemies to be defeated, Green Goblin settles into his new role as head of the criminal underworld. He doesn't go unchallenged for long, however, as he is interrupted by a surprise visit from the Joker, who suddenly turns on the Goblin, informing him that he has outlived his usefulness, and that he will be taking over his position, as he had been planning to do from the beginning. However, Green Goblin reveals that he had anticipated Joker’s betrayal, and prepares to kill him once and for all.
Presenting Joker to Shredder[]
In the Technodrome, Shredder rages over the loss of the HIVE Five. However, he is interrupted by the arrival of the Joker, who proposes an alliance and offers to lend his vast resources to Shredder’s war effort.
Final Battle[]
Demona leaps into action, while Joker and his thugs begin to mount a defense, managing to make a dent in the advancing armies. After Joker was beated by Skeletor, she became worried.
Cartoon Villains War - Part Two[]
In Joker's new alliance[]
Taking the first step in his plans, the Joker takes control of Arkham Asylum, freeing various super-villains to form his new faction. Joker addresses his forces, including the newly recruited Shego, making his agenda clear.
Vs The Insidious Six[]
With tensions in the criminal underworld beginning to rise once again, the former members of the Insidious Six meet to discuss possibly reforming the team. However, they are soon ambushed by Joker and his new allies, who are seeking to re-establish their dominance in the underworld by eliminating the Six…
Disney Vs Comics War[]
Villains Battles 2[]
Villains Battles 3[]
Villains War (Legion of Darkness)[]

Disney Vs Marvel and DC Villains War[]
Vs Cruella De Vil and Madam Medusa[]
Joker introduces himself to Harley Quinn and Poison Ivy as the new boss of the underworld and would like them to steal some of Cruella's last money on his behalf, Ivy at first doesn't trust the Clown so much, but when he promises to give a good chunk of the profit the two criminals are convinced.Then the two evil crime ladies enter the place where the money is deposited, Madame Medusa's pawn shop, Harley manages to be stealthy enough to avoid luring the hysterical woman through the alarms, but Ivy is more impulsive and attracts the attention of Medusa who wants to stop them, but is momentarily neutralized, but just at that moment Cruella was passing by and when she sees the two criminals she understands their intentions and begins, together with Medusa, to chase them with the car .
New project[]
At Arkham Asylum Hugo Strange introduces to Amanda Waller the prisoners who will participate in their new project, to create a team of supervillains, the members so far are Harley Quinn, Captain Boomerang and Deadshot.
Vs Fearsome Five[]
In a secret place Amanda Waller would like to explain her next moves to the Suicide Squad, but at that moment their hiding place is discovered by the Cynical Five who were looking for the hiding place of some criminal to rob him and start making known their presence of the war, like Negaduck ordered him, Waller orders the suicide squad to attack them, both teams have their skills, who's gonna win?

Disney Vs DC Villains War[]
Vs Shego[]
On Pete's behalf, Dr. Drakken and Shego attempt to forge an alliance with them, however the Joker responds by having Harley Quinn attack Shego. Who will have the upper hand?
Recovered[]
Harley Quinn has recovered from the Hospital and now she's ready to help her pudding against Pete.
Vs Bill Sykes[]
Harley Quinn, after recuperating from her wounds against Shego and Drakken, decides to take out the loan shark Bill Sykes to make her return known to the world. However she has tricks upon her sleeve...
Back to Puddin[]
Joker recruits Hugo Strange to replace the Penguin now disappeared. However they are interrupted by Harley Quinn, who recruited a new ally to help her pudding, but a thought to be dead villain makes her appearance, joining the clown's faction.
Vs Ratigan and Fat Cat[]
From orders of the Joker, Harley Quinn and Catwoman seek to take down the threat that Shego poses as they start attacking Ratigan, who was scouting the territory for Drakken, Shego and Negaduck. Unaware to them, Ratigan is luring them to a horrible surprise awaiting them...
DC vs Marvel Villains War[]
Animated Movies vs Cartoon Villains War[]
Animated Movies vs Cartoon Villains War - Part Two[]
Animated Villains War[]
Meeting Gangreen Gang[]
The Joker visits The Gangreen Gang again and introduces the boys to Harley and Ivy.
Vs Shego[]
Shego also has to eliminate 2 Joker's allies, Harley Quinn and Poison Ivy. Shego uses her powers against them, but is quickly surprised by their abilities.
Animated Villains War - Part Two[]
Arguing with Joker[]
The Joker and Harley Quinn reconcile, while they're already plotting their next heist.After Harley killed Giffany,The Joker and Harley Quinn reconcile, while they're already plotting their next heist.
Vs Giffany[]
Bill Cipher misses wreaking havoc in places unaffected by Weirdmageddon. So, he sends his sassy henchgirl, GIFanny, to crash the party at a club on Gotham City. Coincidentally, Harley Quinn was walking by and was minding about a way to impress "Mr J". Would she miss her opportunity?
Hiring new allies[]
At Arkham Asylum, The Joker and Harley Quinn pay a visit to two former mates, seeking help in murdering their rivals.
Animated Villains War - Part Three[]
Prequel vs Sequel Villains War[]
Free For All Villains Tournament - Part Three[]
Non Anime Villains vs Anime Villains War[]
Villains War: The Age of Animation[]
Helping her husband[]
The Joker's girlfriend,Harley Quinn, is offered a deal to grab a hold of a valuable chemical to grant the performers the power necessary to stop Robotnik.
Live Action Villains War[]
CGI Villains War[]

Vs Roman Torchwick[]
While Kingpin was discussing with his partner-in-crimme,The Joker, (accompanied by Harley Quinn) about their uprising plan into The Criminal Empire until they were attacked by Roman who plans to kill Kingpin once and for all.Harley tries to kill Roman only to be knocked down and almost killed by the criminal.However,while everyone was fighting,a certain spy of The Shredder was informing his master about the whole fight,which was heard by Harley before she passsed out

Worst Heroes and Villains War Ever: The Sandbox[]
Disney vs Cartoon Villains War[]
Vs Honest John and Gideon[]
Joker sent Harley to track down two survivalists from Joker's attack.Harley managed to encounter Honest John and Gideon. When Harley arrived to kill them, Honest John decided to show her how to fight, Angered,Harley managed to knock Hones John into a tree.As Harley was about to shoot a bomb into the fox,Gideon arrived behind Harley back and knocked her down.Gideon goes to check if his boss is okay,but he is shouted to get both of them out of there.Harley then reveals to both of them that they will be laughed and eaten by her pets.The two hyenas cornered Honest John and Gideon and devoured them in front of Harley Quinn.After the duo was eaten,Harley congratulates the pets for their achievements.
Helping The Joker to destroy Winkie's Circus[]
Mr.Winkie and his crew were preparing to kill The Joker after they will finish their party on the circus.However,the party will be ruined as The Joker and his forces arrived to destroy their enemies for good this time.During the fight,Harley took out a grenade as she was ready to destroy The Ringleader with it.However,Jumble Girl bite Harley's hand in order to throw off the grenade.As Jumble Girl was about to bite Harley,the supervillain used her feet to give Jumble Girl a powerfull kick into her jaw thus knocking the circus performer down and the weasels of Winkie as well.Then The Joker gathered all of his allies there to destroy The Ringleader and then Winkie.As the circus was destroyed and everyone assumed that Winkie died there after she was responsible of the 'destruction' of The Ringleader,she celebrated The Joker's victory alongside the others.
