After dumping the Joker, Harley Quinn decides to aim for the top and become a member of the Legion of Doom with the help of her new crew and her best friend Poison Ivy. But she will also have the guidance of the world's most deadly assassin and master thief. Adopted from Chillman22.

Villains come in all shapes and sizes but a new villain on the rise has joined Harley Quinn's new crew. And much to everyone's chagrin he's a total nutjob. You ever dance with the devil in the pale moonlight? Well fuck that he'll kill the devil and take his throne! cowritten with Thanatos125 screwball fic

"Kicked out of New York city, both Bebop and Rocksteady travel to a new place where they could call home as well possibly be the next big bad. But soon end up again as henchman for the former girlfriend of the Joker. Now, Harley Quinn is their boss as well will lead them as well other villains on a path of fortune, fame as well causing a whole mess of destruction."

Velma Dinkley is trying to come to terms with her current sexual identity. And for reasons that no one should question, she is referred to the one therapist who can actually help her go through this: Harleen Quinzel. Trust me, it's not what you expect.

Two friends find themselves in a universe they both know but hardly recognize, they decide to change this up, to make things more interesting, this is their adventures. AU Harem Story.

A bear and bird come across a pooting pair of gassy gals and decide to help them out in keeping Gotham barely sane. kahoot

Aerith may be your typical flower girl, always seen as innocent by everyone. But some people don’t know that she secretly has a second life. And a convincing costume intrigues King Dedede. (Part of Super Smash Bros Universe)

Vernon and Petunia Dursley didn't raise Harry Potter. Those roles are played by Harley Quinn and Pamela Isley, fresh off their escape from GPD after Ivy's failed wedding to Kiteman. Needless to say, his upbringing will be slightly different than what Dumbledore expected when he dropped him off as a baby. (Harry Potter / Post Season 2 Harley Quinn Cartoon Crossover)

Years ago, a green-skinned girl and a boy wizard bonded in a park. Now, Dr Pamela Isley, while on one of her crimes, rescues an exotic snake that turns out to be the very boy she once knew. Drawn into the maelstrom of madness that is Gotham's underworld, Harry Potter reunites with a penpal turned criminal...and that's before a certain crazy clown girl called Harley gets involved...

Harley Quinn gives a psychological examination to Emperor Belos after watching the most terrifying episode from "The Owl House": Hollow Mind

Bane goes to get coffee from his usual coffee shop and is served by a man named Harry who , unlike Todd , gets his name right on his order.

Queen of Fables gets revenge on Harley Quinn by dropping her into Harry Potter and the Half-Blood Prince. Now Harley must become a witch and save her friends that are destined to die. Harley Quinn/Fred/ George. Now Finished. There is a second story in the series called The Chronicles of Lena Snape keep an eye on my profile to see when I post the first chapter.

When Kiteman learns through a text that his wizard boyfriend Harry Potter is sick he pays him a visit and takes care of him.

A series of lemon one-shots taking place in 'Harley Quinn's Red Mark'. Experience some of the wild stuff that is only mentioned but never seen. NOTE: It's probably best to read 'Harley Quinn's Red Mark' before reading this one.

Inspired by a fanfic prompt from JBlazer. A makeover from Harley involving stolen property annoys Velma, but she quickly becomes intrigued by the prospect of becoming a mask in a mission!

Dr. Harleen Quinzel was the Fiancée of Naruto Namikaze. He was the glue that held her world together until he was taken from her. After having her eyes open about the Joker. But when her sunshine returns can Gotham deal with a family that's that hell bent on ruling it with an iron fist.

Harley just a few weeks before ivys wedding, harley finds herself falling for ivy

Max faces off against Harley and her crew. I do not know Godzilla or Harley Quinn.

One-Shot. Harley had finally did it, she dumped the Joker thanks to her friend Poison Ivy, wanting to be her own super-villain with no-one telling her what to do, though there is one thing she needs to do before she can actually make it out on her own, find and apologise to the one person that wanted to help her as well, but the question is, where is Red-X. Up For Adoption.