"Hey Greenwood? What's the secret to good comedy? (holds the gun up to his own head, the hammer drops) *click* Timing. And what's... courage? (moves gun to his cheek) *click* Grace under pressure. AND... who's the bossss? (slides gun under his jaw) *click* I'm the bossss hahahaha..."
Cameron Monaghan as Jerome (or if your prefer Jokerome) on Gotham.
I wasn't keen on the idea at first, but the kid freakin' stole the show. I was impressed.