The Joker.
I really don’t get the obsession with overusing the Joker when most of Barman’s other rogue gallery members are much more interesting. The worst of it is during “The Batman Who Laughs”, because now you have both the regular Joker and “what if Batman became Joker” running around. And then, as if it couldn’t get any more ridiculous,
spoiler
The Batman who Laughs gets Dr. Manhattan’s powers in a groan-worthy way which is like, not how Dr. Manhattan works at all just so they can fit more Joker into the story.
And I think most people will agree by now that Harley Quinn is a lot better of a character after she’s done being Joker’s sidekick.
You probably never heard of it, but I shitpost on this obscure technology forum called Lemonworld or something on things I would never admit to in public.
It’s great, I’m something of a celebrity over there.