Dick Grayson, also known as his hero alias Nightwing, was the adopted sidekick of Bruce Wayne after his parent were murdered by Two-Face. He spent half of his life as Robin, but then Batman suggested that he should become the Dark Knight. Refusing, he became a standalone vigilante named "Nightwing". He appeared in THE BAT FAMILY! Gmod Batman Mod video.
His model is one of the Nightwing skins from Injustice: Gods among Us