Damien Darhk

Damien Darhk is Ra's al Ghul's rival as heir to the demon.

Biography
At one point, Damien Darhk was a former heir to the demon. An unnamed man was later chosen to be the successor and ordered to eliminate Damien. Damien managed to escape with waters of the Lazarus Pit.

Behind the scenes

 * In the DC comics, Damien Darhk has a connection with H.I.V.E. and a major target for the C.I.A. and F.B.I..