Dick Grayson-Nightwing

Adopted by Batman after his parents were murdered

That was the slogan of his parents' circus.

lost his parents murdered with sulfuric acid by the Maroni family

He created the original version of the Titans, consisting of Wonder Girl, Columbia and Hawk (at that time he had an affair with Dove) and Aqualad, the first Titans ended when Aqualad was killed by Slade

He protects with his life one of the most important people to him

Jealous, proud, sarcastic, strategic, intelligent, protective, fun, affectionate and attentive

the first Robin, gave up fighting Batman and moved to Detroit because he was becoming a person who barely recognized himself, when he started to do justice and fight he lost control in his anger

Estelar, had an affair with her for a few nights

one of your best friends

Her best friend since childhood, the phrase she always said was "Older and smarter"

became Nightwing after burning Robin's clothes, and learned to control himself when fighting

His ex-girlfriend, they dated and had an affair when the first titans were formed, but they broke up because of Hank

I didn't have a good relationship with him because of Dawn, since they both liked the same woman.

I didn't have a very good relationship with him because I was angry with Bruce for finding another Robin, and because Jason was extremely temperamental and stubborn.

Slade's enemy for having killed Aqualad who was one of his best friends,

In civilian form, he is a former Gotham police detective, and currently a detective in Detroit.

has a (romantic/flirtatious/flirting) crush on dangerous women