A villain of the Batman universe, first appearing in Batman #1 (1940). He is considored to be the Caped Crusader's arch nemesis. His title is the "Clown Prince of Crime".

The Joker's real name is unknown, though according to the first movie starring Nicholson, it might of been Jack Napier. The catalyst of his insanity has different tellings:

Originally a failed comedian, coerced into crime after the deaths of his wife and unborn child. Disguised as the "Red Hood", he failed to steal from Monarch Playing Cards. Running from Batman, he fell into a waste pool by the Ace Chemical Processing.

Surving the accident, it coloured his hair green, bleached his skin white and deformed his mouth into a red smile. Using eccentric weapons like acid spilling flowers and static joy-buzzers, he sadistically amuses his victims before he murders them. Other schemes include bribery and terroism.

The sidekick and former pyschiatrist of The Joker is Harley Quin (a.k.a Harleen Quinzel). She accompanies and supports her love interest in his crimes in Gotham City.

Can make a pencil disappear

The most fantastic villain to ever be drawn. He's insane, but totally hot, and incredibly amazing.He is a fucking genius and is always ahead of the curb.

The most badass villian Gotham has ever seen. His insanity is what makes him so ridiculously amazing. The Caped Crusader's biggest rival. Wears make up as war paint to scare his victims. Changes his story about how he got those famous scars every single time. Is and forever will be the best villian to walk the streets of Gotham City.

A man who was born a genius, but since no one could compete with his brains went insane out of boredom and started killing people. Then he met Batman, and found someone who actually understood him, who completed him and didn't laugh at any of his jokes. So now he tries to screw Batman's life up, because Batman's just too much damn fun.

When going down on a chick, you notice the tampon string, you clench it with your teeth and vigorously shake the bloody tampon back and forth, leaving bloody marks from ear to ear. After spitting the tampon out, you look her deep in the eyes while saying, "Why so serious?"

Batman's arch enemy and a major headache for The Caped Crusader. The Joker could give even Superman a major headache!

The most Smexxii Villain of all time! Totally owns Batman and rules Gotham. An extremely hot and intellegent man.

Refrence to Heath Ledgers Joker

The Joker as used in sexual reference:

The act of removing a tampon at the string by mouth from a womans vagina while on her period. Once removed, the bloody tampon is swung back and forth by the string "while still in the teeth" as if shaking your head "no."

The blood like smile/outline from ear to ear that is left behind is know as "The Joker."
(Similar to the make-up smile on the Joker)