Madness is the emergency exit. You can just step outside, and close the door on all those dreadful things that happened. You can lock them away... forever.
The Joker
The Joker
Real name Unknown
Alias Red Hood
A. Rekoj
Age Unknown
Species Mutated Human
Physical Description
Gender Male
Hair color Green
Eye color Blue
Relatives Harley Quinn (Wife)
Powers and Abilities
Powers Gadgets
Primary Skill Expert Combatant, High Intellect
Equipment Clown Arsenal, Joker Venom

The Joker is a supervillain and the archenemy of Batman. The Joker is a master criminal with a clown-like appearance. The Joker is a vicious, calculating, psychopathic killer. The Joker has been responsible for numerous tragedies in Batman's life, including the paralysis of Barbara Gordon (Batgirl/Oracle) and the murders of Jason Todd (the second Robin) and Jim Gordon's second wife Sarah.