Suicide Squad: 30 Easter Eggs & References You Must See

Though there's no actual confirmation of the origins of Mr J's immediately defining tattoos, the closer scrutiny afforded by the advanced promotional material means there's a fairly specific portrait of what his ink means.

Notably, his forehead "Damaged" is a reference to him being shot in the forehead in the comics, and his left arm design featuring a stabbed Bat symbol calls back to him stabbing Batman in The Dark Knight Returns. The dead Robin on his right arm is self-explanatory and there's a jester on his back wielding a hammer, in homage to his Death Of The Family appearance.

You can read a comprehensive breakdown of his tattoos here.