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this entire storyline ties into dick's faith in bruce, hence the “serving a system in which you have so little faith.” and while it is an extreme example it still very much shows that dick was bruce's partner before he was anyone's sibling.

Nightwing: Red hood was a Robin too. What is so confusing about that?

Wonder Woman: It's just.... A lot of things make so much more sense now.

Nightwing: Like what?

Flash: Well, we did wonder who the first Robin was. But it being Red hood makes so much sense. The anger issues should have given it away really.

Nightwing: Huh?

Wonder Woman: It is quite obvious once you see it. It also explains why Batman gave you the role of Robin. I mean, i can only imagine how painful it must have been to watch your partner turn to a life of crime. So he replaced him with you. And I must say, it was a good choice. You were one of my favourite Robins so far.

Nightwing: Wait, wait, wait! You guys think I was the second Robin?

Flash: Well duh. You've always been this ball of sunshine. Just like the second Robin. And now with the hood being the angry first robin and Red robin being the genius third, we now know what happend to all of you.

Nightwing: I... Oh god, J's gonna fucking lose it if he figures out you guys think he's the oldest.

Wonder Woman: Pardon?

Nightwing: Doesn't matter. What does matter though is that Redhood isn't the first robin. I was!

Flash:

Wonder Woman:

Nightwing: