The idea came from comedy writer Matt Oswalt, whose brother Patton immediately backed the idea
Matt Oswalt - YouTube
Where Are They Now? (via Matt Oswalt's Twitter)
Totally Random Picture Dump
When writer Matt Oswalt pointed out that president-elect Donald Trump’s recent New Year’s Eve tweet sounded like something the Joker would say, the Joker rose to the occasion.
Mark Hamill, who voices the Joker in animated Batman series, is using his take on the Gotham villain to make Donald Trump tweets sound more nefarious.