Based it in part on the John DiMaggio version of the Joker from the "Under the Red Hood" animated movie. It alludes to the death of Tim Drake.
John DiMaggio Picture
Think Troy Baker wins this one
John DiMaggio Voices Joker In Batman: Under The Red Hood - Joker ...
John DiMaggio and Troy Baker: Joker-Laugh-Off - YouTube
John DiMaggio and Troy Baker: Joker-Laugh-Off
Ladies and Gentlemen, I bring you... John DiMaggio as THE JOKER!
I always think I won't be able to accept the "new" person/actor. This guy proved me wrong. Loved this Joker voice actor! Someone give me a name, I feel like an idiot over here!
Batman Under The Red Hood. Joker and Black Mask Scene.