Dion

"Don't worry your pretty little faces, the boys are here to save the day ~ Dion Grayson to Titans North Girls"Dion Grayson is the brother of Diana and is occasionally the leader of Titans North Boys and son of Richard Grayson (Nightwing) and Barbara Gordon (Batgirl). Before that, He was also trained by, and served as sidekick allong his sister of Nightwing just like he was of Batman.