Bonnie

"Just like when you close your eyes, you may not see me but in your heart you can always feel me. ~ Bonnie Grayson to the twins"Bonnie Grayson is the older sister of Diana and Dion, the oldest of Dick and Barbara. When she was 16 she took on the alias Nightgale to be her own superhero, but on her first mission she went to far and tried handling too much on her own and vanished in the dark streets of Gotham.