what does harley quinn call joker

Harley Quinn has a few nicknames for the Joker, including "Mr. J" and "Puddin". The nickname "Puddin'" is one of her most popular terms of endearment for him, and it has become one of her trademarks. According to Screen Rant, the origin of the nickname is revealed in the comic book Batman: White Knight Presents Harley Quinn, where Harley recalls the unique connection she shares with the Joker. It is worth noting that in some media, Harley also calls the Joker "Mista J" or "Mistah J".