Nightwing

Dick Grayson is the first Robin and first son of BatmanEarly Life

Dick was born in 1990 to John Grayson and Mary Grayson both of them were trapeze artists by the name of the flying Grayson's along with Dick himself and his uncle Mitch Grayson.

 The "Accident" 

In 2001 Dick was sick so he could only watch his parents get murdered by Tony Zucco Dick was devastated so Bruce Wayne adopted him and he became batman's first Robin.

Forming The Teen Titans

Dick was forced by Bruce to socialize and strike on his own so he formed a team of teenage heroes including Hank Hall, Dawn Granger, Garth, Wally West and Roy Harper.

Becoming Nightwing

after an argument with Bruce Dick Becomes the protector of Blüdhaven