Dick Grayson (Earth-9)

Dick Grayson (born 1990) is the vigilante known as Nightwing, the adoptive son of Bruce Wayne and the leader of the Titans.

Biography
Dick Grayson was born to John and Mary Grayson who where acrobats for Haly's Circus and were known as the Flying Graysons.

One day they were tragically killed by Tony Zucco on the orders of the Maroni Crime Family and he was then adopted by billionaire Bruce Wayne, who unbeknownst to him was the vigilante known as Batman and trained by him to become his sidekick under the alias of Robin.

During that time he met Donna Troy.

He eventually decided to leave Batman and Gotham behind because he felt he was becoming too much like him.

Trivia

 * He dislikes pineapple on pizza.
 * His phone number is 313-555-0165.
 * He was not allowed to drive the Batmobile when he was working with Batman.