"Nightwing" is a vigilante and adversary of Guillermo Barrera.


Early life

Prior to 2013, Nightwing crossed paths with Guillermo Barrera and the two became enemies. At some point, Nightwing became one of A.R.G.U.S.'s priority targets, after the Hood.[1]

Guillermo Barrera's death

On February 27, 2013 at 1:16 am, on an A.R.G.U.S. file reporting Barrera's death, it was written on a note that they must beware of possible interference from Nightwing and the Hood.[1]



Behind the scenes

  • In the DC comics, Dick Grayson is the former sidekick of Batman who decided to graduate from Robin and adopt the mantle of Nightwing.


  1. 1.0 1.1 Arrow - Oliver Queen's Dossier
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