Dr. Leslie Thompkins (Morena Baccarin, left) helped Detective Jim Gordon (Ben McKenzie, middle left) arrest Jerome Valeska (Cameron Monaghan, right) is "Gotham" Season 1 after he killed his mother.

"Gotham" characters James Gordon (Ben McKenzie, second from left) and Dr. Leslie Thompkins (Morena Baccarin, left), are seen in Season 1, questioning Jerome Valeska (Cameron Monaghan, right). Fox ...

Despite the character already serving his purpose on the show, many fans of the hit series Gotham were outraged when fan favourite Jerome Valeska was killed at the hands of another villain, Theo ...

Gotham pulled off its biggest shocker back in Season 2 when it killed off Jerome Valeska (Cameron Monaghan) the character most heavily favored to become the famed Joker of the Batman mythology. Gotham ...

Once the fan favourite Proto-Joker met his demise at the hands of Azrael in Gotham's sophomore season, viewers demanded that the character return in some fashion. The character, Jerome Valeska, was ...

Oswald, Ed, and Barbara prefer to do their nasty business in the dark. They don't lie about who they are, but they're not looking to advertise it. Jerome always wants an audience. And across Batman ...

This left Monaghan, who made his mark in Showtime’s Shameless, with a guaranteed job down the road…and a whole lot of time to spend inside the head of a violent, psychotic carnival clown. Now, thanks ...

Cameron Monaghan can finally talk about playing Jerome Valeska. He knew after his first appearance that he would tie into the origin of the Joker. And after fan reaction got him a second stint on the ...

Add Yahoo as a preferred source to see more of our stories on Google. (Photo: Fox) When Jerome Valeska hit the scene of Fox's Gotham series, little did people suspect that he would be one of the prime ...

Gotham has seen plenty of colourful characters come and go over the years. From Oswald Cobblepot to Edward Nygma, the hit Fox series certainly hasn't had a shortage of iconic Batman villains, but the ...