Nightwing

Richard John "Dick" Grayson is the biological son of Mary Grayson and John Grayson. Having been apart of the Flying Grayson and act at Haly's Circus, his parents were later killed by Tony Zucco during a performance.[4]

He is later adopted by Bruce Wayne (also known as Batman) and becomes his sidekick, the first Robin. As Robin, he became a member of the Teen Titans until their battle with Mister Twister forced them to forget the team in order to defeat him. After Grayson outgrew his role under Batman, he later became Nightwing under the inspiration of the Nightwing legend told to him by Superman and was based in Gotham City and later Chicago.[4] However, after the Crime Syndicate came to Earth and caused the Justice League to disappear, they captured and exposed Dick Grayson's secret identity to the world.

Having survived it's events, Batman asks him to infiltrate the organizaton, Spyral. He later enlists into one of their ranks under the alias Agent 37 as a spy and field operative.[4] After the defeat of Otto Netz and the usage of the Somnus Thought-Suppression Satilite Network to wipe out all known records and memory of Dick Grayson save for those on an exception list, Dick is able to resume his life as Nightwing. Dick Grayson was an acrobatic prodigy and son of both John Grayson and Mary Grayson and was part of the family team known as the "Flying Graysons" with the traveling circus, Haly's Circus. Being one of the top acts in Haly's Circus, he was popular among the crowd, something in which quickly gone to his head. It was because of this he would drive a wedge between his then-best friends, Raya Vestri and Raymond McCreary.

However, during a massive blackout in Gotham caused by the Riddler, he was caught into the streets alone after going out to see a movie. Having to lend a hand to various streets kids and survive against the behemouth known as Amygdala, he would later return to Haly's Circus, learning to not take his friends for granted and even apologize for treating them poorly and resorted to a compromise so he didn't share all the fame to himself. After being transferred to the Wayne Care Center, Bruce Wayne would occasionally check up on Dick and helped him out. While he seemed to be recovering from the tragedy, he actually sneaked out into the night to conduct his own investigation on the whereabouts of Tony Zucco. He would later encounter Batman various times as he aided him due to the fact both share a very similar tragedy.[9][10]

Eventually, Batman brought Dick to the Batcave and shared his secret. Bruce then offers to help Dick in bringing Tony Zucco,[9][10] a notion in which Alfred was reluctant in accepting.[9] Dick accepts and Bruce trains him for months. After initially having trouble accepting a name, he finally settled on Robin, a reference to an adoration his mother had for the bird.[10] One night, Batman was tracking an Assassin by the name of Lady Shiva. Poison and taken down by surprise, Dick would then make his first appearance in Gotham as Robin and battles Shiva. He is no match though impresses her. His intervention allows Bruce enough time to and Shiva withdraws, telling Dick to come to her when he feels he wants to improve his skills and move out of the "shadow of the bat". week later, Dick would initially have trouble with being on the field as Robin, Batman's strict and overprotective personality not allowing Dick to feel he was contributing as a partner. However, after an encounter with the Gangster Tusk, he proves himself to be valuable as a partner

At some point, he would meet and partner up with Barbara Gordon, also known as Batgirl, numerous times and formed a close relationship with her.[13] While both had feelings for each other and known both of them had such feelings, neither of them went any further.[14] Eventually, he would take on many foes and criminals of Gotham during his tenure such as the Joker and Harley Quinn Years later, both him and his mentor had a conflict,[15] resulting in Dick leaving Bruce's side and taking up a new identity as Nightwing. However, Zucco would later die and Nightwing eventually left Gotham, occasionally returning to mentor Robin, Red Robin[16] and further trained Batgirl.[17]

During this period, he would form friendships with Green Arrow's protege Speedy, as well as a romantic relationship with the alien princess, Starfire,

Nighteing keeps his secret identity under wraps and he is a sauve man like Bruce