Bruce Wayne

"Photos can be doctored. They could have put Bruce Wayne's head on that body. Has Bruce Wayne left Gotham to hang out in Star City recently? No."

- Oliver Queen

Bruce Wayne is a well-known individual from Gotham. He is also implied to be the CEO of Wayne Tech.

Biography
Oliver Queen mentioned Bruce at a press conference about Green Arrow's identity, citing that a forger could put anybody's head on Green Arrow's body, even Bruce Wayne's. He then asked whether Bruce Wayne left Gotham to hang out in Star City recently and received a negative response.

Behind the scenes

 * In the DC comics, Bruce Wayne is a vigilante hero known as Batman, the protector of Gotham City, a man dressed like a bat who fights against evil and strikes terror into the hearts of criminals everywhere.He is also a former mentor to Dick Grayson/Nightwing, who is the protector of Blüdhaven He is also an ocassional ally to Green Arrow, The Flash and Superman , the latter third of whom is his most frequent ally.
 * Bruce Wayne may or may not be a doppelgänger of Bruce from Earth Two and an unidentified vigilante from Earth Thirty-Eight, both being allusions to Batman.