Batman's deadliest arch-enemy who was ruthless, eccentric, cunning and extremely dangerous. He tried every despicable trick to take over Gotham City, make a profit. he did fall off a catwalk and into a drainage vat of chemical waste that washed him out into the river. The chemicals had an adverse effect on him: they dyed his hair green, his skin was bleached white, and his lips were stretched into a permanently stained red grin. Wears Purple suit, pink flower lapel full of Joker Gas