Nightwing

Nightwing is a major supporting character in the Batman series and a founding member of the Teen Titans. He first appeared in Detective Comics #38 as Robin and has made multiple appearances in various Batman and Titans related media.

Biography
Richard "Dick" Grayson was born to John and Mary Grayson, who were acrobats featured at Hayley's Traveling Circus. Because of this, from a young age Dick was trained in his family business and by the age of 12 was skilled enough to be featured in his parents act in full. The Flying Graysons would have their final performance when the circus stopped in Gotham City. Mob boss Tony Zucco came to the circus to shake them down for protection money but when they refused he took his revenge out on them. Zucco put acid on the trapeze and during a part of the act where the Flying Graysons were performing without a safety net the rope gave way and sent John and Mary plummeting, killing them and orphaning Dick. However, Bruce Wayne, who had been present at the circus, empathized with the boy due to his own loss and decided to adopt him. Dick eventually would find out that his adoptive father was secretly Batman, Gotham's protector. Upon discovering this Bruce took Dick under his wing and trained him to fight crime, teaching him martial arts and nurturing his already impressive acrobatic skills to transform Dick into the first and most well known Robin. In his teens, Dick would team up with the sidekicks of other well known heroes to form the first incarnation of the Teen Titans with him as the leader. With the Titans, Dick grew more independent of Batman and eventually gave up the mantle of Robin to create his own identity as Nightwing. As Nightwing, Dick would become the protector of his own city, Gotham's crime-ridden sister, Bludhaven. Despite having separate lives and heroic duties Dick and Bruce still team-up with one another and perhaps have the closest relationship of any two members of the Bat-family. Dick is the first in line to succeed Bruce as Batman should anything happen to him or if he willingly gives it up.

Connection with All-Stars

 * Nightwing appears as a downloadable minion that can be purchased for $0.49.