AU. She went to stretch her arms above her head and winced when she felt a sharp pain on the left side of her body, just below her collarbone. A yelp escaped her when she glanced down and saw black ink on her porcelain skin glaring right back at her. Her mind filled with many possibilities and she hoped that her worse fear was not about to come true.

Harley has so few friends so when one makes a request of her, how could she refuse? Even if it meant swimming with the sharks without a cage. After all, like calls to like. [Pre Suicide Squad, an alternate version of how Harley met the Joker]

AU. Dancing on the stage was a woman as pale as him with blanched hair that waved around her figure. Every move she made made her impossibly short dress ride up, giving a glimpse of the material underneath. Her face was pure joy, eyes twinkling and cherry coloured lips stretched into a bright smile.

AU One-shot for His Type of Crazy. "The siblings could have done whatever they wanted with the small peddling business they were running, it doesn't cut into my profits. They should have just stayed away from what was mine. She can be quite feisty." Even with the mask in the way, Joker could imagine Bat's eyebrow rise in question. "She?"

"We're both trapped in this nut-house, Harleen. Only difference is, you're on the payroll." An act of kindness towards Arkham's most notorious inmate sparks a downward spiral which will send Harleen Quinzel's life spinning out of control. But in games of love and madness, how far can you go before you break? An in-depth take on Harley's origin story, with mature themes.

Another take on the Harley Quinn Origin story. This is my first fanfic. I do not own these characters, I just like to play with them.

"Love is choosing to serve someone and be with someone in spite of their filthy heart." Newly-minted Arkham therapist Doctor Harleen Quinzel had a mind tiptoeing into questionable territory even before she laid eyes on the Joker. Proximity is a catalyst for mania; how far can she stretch before she snaps? People do crazy things...when they're in love.

Everyone knows the origins of the jester who fell in love with her equally mad creator. But what if Harley Quinn was born without the assistance of the Joker? All of Gotham is the stage as two titans collide. And The Clown King declares that The Jester Queen is now his property. Death awaits anyone who tries to interfere, even the Jester Queen herself.

What if Joker found someone more fun than Batman? Is Gotham big enough for two Psychopathic Superstars or will the very presence of the other turn Gotham from a play ground into a battlefield? Destruction has never looked so beautiful. Based losely on the song 'Dyeing Breed '.

Joker puts Harley in a coma. As she sleeps she experiences a whole new life in a happier and simpler time. The question is will she ever come back?

She thought she was making a difference. And she was. Just not the difference she thought. Pre-Suicide Squad movie-verse. Not based on '50 Shades of Grey'. Strong T for torture, disturbing themes, occasional language.

(1st in the Impulse series.)The Joker and Harley Quinn 'Mad Love' Story with a twist. Based on the Suicide Squad Joker and Harley. Rated-M for violence, language and sexual content.