Who is Prometheus in the TV series “Arrow”?

"Arrow" has revealed the identity of Season 5's big bad, Prometheus. ... 'Arrow' Finally Reveals Prometheus' Identity (SPOILERS). By Jacob Bryant ... “We thought it would be a really fun twist to do what we've always done on the show, which is to take the comic book mythology and turn it on its head.”. read more

There has been no official confirmation regarding who is under the hood of Prometheus on Arrow, however fan theories have gone around. All we know is that Prometheus will tie directly into Oliver’s past. read more

Prometheus became more closely tied to the Green Arrow franchise thanks to the comic book mini-series Justice League: Cry for Justice. There, Prometheus' reign of terror included cutting off Roy Harper's arm and detonating a bomb that destroyed a large portion of Star City. read more