Martha Kane Wayne is the Ex-Wife of Thomas Wayne. Martha is also known as the Joker, Batman/Thomas's arch-nemesis. Martha is a caucasian woman with short messy black hair that was dyed green. She has a wild look in her eyes,And her face has been carved into a permanent grin with stitches.

The Joker typically dresses in a purple suit with a green vest with orange buttons. Purple gloves and pants. An Orange Tie neatly tied.

Martha is causing mayhem to cope with the loss of her son.