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Nightwing is a name that has been used oleh several fictional characters in the DC Comics Universe. It was conceived as a Kryptonian analogue to the character of Batman, with Nightwing's frequent partner Flamebird based on Robin. The Nightwing persona originates with a Kryptonian vigilante taking the name of the "nightwing", a bird native to the planet Krypton.

Prior to DC's continuity-altering 1985 limited series, Crisis on Infinite Earths, the Nightwing identity was depicted as an invention of Superman's during a time when he and Jimmy Olsen act as vigilantes...