The name is Martha Wayne, I'm The Joker. 

In a flash point universe, Thomas (my husband) is Batman and I'm well y'know The Joker. My boy Bruce was killed.

HAHAHAHA

I went insane when Bruce died. Thomas has been after to kill me ever since. I know he's too scared to pull the trigger.

He's told me that there's another universe where Bruce is alive. That makes me happy. He also told me that he's Batman. That also makes me feel good, my son deserves a good life.