Tattooed Man?
The fourth and final Easter egg out of all six that somehow relates back to the Joker, this one has been speculated for a long time. Whether it’s actually the character in question or just a nod towards him, it’s still a pretty neat secret for the comic book veterans.
During yet another flashback scene, we see Harley Quinn and her puddin’ kicking it in a club. A man (who happens to be covered in tattoos) comes to visit the Joker as they seem to have a past relationship of some sort, and while his name isn’t mentioned (he’s credited simply as Monster T), this might very well be the Tattooed Man, a DC villain that usually goes toe-to-toe with the Green Lantern.
His superpower is that he can bring his tattoos to life and use them to fight, ranging from razor sharp knives to fire breathing dragons. The form the main villain of the movie takes on led some people to speculate that the Tattooed Man would be the film’s big bad, which turned out to be false. Regardless, this might still be a nice nod towards this fan theory.
