VIDEO : 'Gotham's Cameron Monaghan Teases Harley Quinn With New Photos

More and more evidence is pointing to the inclusion of Harley Quinn (or at least a Harley Quinn-like character) in Gotham's fifth and final season.The latest piece to the puzzle comes in the form of some photos posted by Cameron Monaghan, which feature his Jeremiah Valeska dancing with Ecco (Francesca Root-Dodson) in an empty warehouse, ...