The Clown prince of Crime leered at his ebullient moll. "Excellent. Why don't you just sit right here for a few. I have a demonstration for you."
Harley sat while the Joker went to a closet and pulled out two mason jars filled with black sludge.
"Now, while the secret of the goo that made me the man that I am today has been lost," Joker smiled, "I have been asking around about a way to recreate the formula. And after some back stage deals I have the NEW AND IMPROVED version right here to show off."
"New and improved?" Harley asked.
"Turns happy home bodies into Homicidal Porn Stars," Joker opened one jar, "Watch."
First he dropped his pants and shorts and then chugged down the pint of goo. Harley watched in amazement as Joker grew six inches longer and two inches thicker, but had she not been hypnotized, she would have seen him get leaner and more cut at the same
"It can be taken orally, anal and topically," the joker said as he opened the second jar and poured it on Harley.
She sat in amazement as new sexy new thoughts entered her mind and she felt herself change, she was taller, sexier, clad not in spandex but latex, and it made her hornier.
"Mista J!" Harley gasped in near orgasim, "I never thought of using an anchovie like that before!"
"Well Harley there is a catch," Joker said with a sigh, "While I was given the two samples and 55 gallon drum in the garage, we have to use it to turn a heroine into perverted Porno villainess."
"What?" Harley asked.
"Once it's done, we get more goo," Joker smiled, "and we keep the former heroine."