Nightwing
Nightwing is a fictional superhero appearing in American comic books published by DC Comics. The character has appeared in various incarnations, with the Nightwing identity most prominently being adopted by Dick Grayson when he moved on from his role as Batman's vigilante partner Robin.
The Batman Adventures
Book Five: Dick joins an expedition to find a group of Tibetan monks who have lost an artifact, agreeing to recover the artifact in exchange for their secret of flight (the winged costume). He succeeds in gaining the artifact back from Ra's al Ghul. Succeeding, he visits Batman and reveals his new identity of Nightwing to him, Alfred, Batgirl, and Robin.