- It appears that the Joker was “impregnated” by a nemesis who he became enamored with: the female magician Zatanna.
- She curses the Joker, proclaiming that no one else could have his baby as she knocks him into a mud puddle.
- While Zatanna intended for the spell to ensure he never had children, it inadvertently “impregnated” the Joker.
