Outline higher. Nightwing had much more character improvement. He went from being an indignant child to the Boy Wonder, then Nightwing, then Batman after which again to being Nightwing once more. He has led the Teen Titans, did his personal factor, teamed up with heroes and villains, had his personal sidekick and many others.

Luffy has been the identical character at coronary heart and solely grew in energy over the various episodes of the present. However what makes Luffy Luffy is one thing that evokes many different characters. I might argue that extra characters see one thing particular in Luffy than it is the case for Nightwing.