They're probably a 30 Seconds to Mars fan.
HmmmmmJared on if he'll be in the Harley Quinn spinoff - https://jared-leto-news.tumblr.com/...usive-jared-leto-teases-involvement-in-harley
(I mean he kinda has to be after that SS ending right? Unless this is taking place at some other time in the universe, but still)
Not when he's walking around being an idiot. He did it to himself.