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.
Think Troy Baker wins this one
John DiMaggio Picture
John DiMaggio and Troy Baker: Joker-Laugh-Off
John DiMaggio Voices Joker In Batman: Under The Red Hood - Joker ...
John DiMaggio and Troy Baker: Joker-Laugh-Off - YouTube
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!