Board Thread:Questions and Answers/@comment-1038387-20141010091035/@comment-18172179-20150407040605

Another piece of trivia I added myself. Robin Vol 4 8 Death's Door. Bruce has finished his training with Shiva and Jean-Paul Valley is on a rampage as "Batman". Bruce goes to the batcave with Tim and Dick (Harold was there as well). While Bruce changes clothes to the batsuit, Tim and Dick talk about Jean-Paul and Nightwing (Dick Grayson) calls him Azbats to relief the tension. I believe people had begun calling him that in the letter columns but I'm not entirely sure.

So yeah, I'm pretty sure the asnwer is Nightwing. Unless proven otherwise....