"Gotham" bosses have yet to say with 100 percent certainty whether or not actor Cameron Monaghan is playing classic Batman villain The Joker, but that hasn't stopped plenty of fan speculation about the possibility. Now, Monaghan himself is stoking the flames, too.

In a recent, cryptic Instagram post captioned only with the show's title, Monaghan posed in front of a police lineup background. A wide, Joker-esque grin is plastered across his sinister-looking face in the creepy, black and white-filtered photo.

#Gotham

A photo posted by Cameron Monaghan (@cameronmonaghan) on


It certainly seems like Monaghan is pointing to his character, Jerome, winding up as The Joker in season two of the hit Fox show, though of course, producers aren't saying. In fact, showrunner Bruno Heller has stopped just short of tapping the actor as the clown prince of crime, explaining to The Hollywood Reporter in an interview earlier this year that Jerome would eventually lead to the introduction of the villain that viewers have seen before.

"We're going to find out how the hell Jerome, the proto-Joker we met earlier in this season, connects with the Joker as people known him," Heller told THR. "That's the big focus of the beginning of the second season. We're going to tell the story of how the Joker came to be."

Season two of "Gotham" premieres on Fox on September 21.

[via: Cameron Monaghan, h/t The Hollywood Reporter]

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