Dick Grayson (Earth-1)

Dick Grayson is a Vigilante and the second Batman after his mentor, Bruce Wayne. He was originally Bruce's sidekick and was known as Robin. Eventually, Dick had a falling out with Bruce and left Gotham. Dick moved to the nearby city of Bludhaven, where he became the Vigilante Nightwing. Then, sixteen years after Bruce Wayne's death, Dick became the second Batman.

Life before Robin
Dick Grayson was born to John and Mary Grayson. They were both Circus performers. Dick Spent his early life training for the big day for when he was to officially join the circus. His first performed his first acrobat show on his thirteenth birthday. Six years later, the Circus went to Gotham City.