What's With Characters With "II" After Their Names, Like Nite Owl II…

In the world of comics, superheroes - like movies - have sequels. This wasn't always the case, and, confusingly, still isn't; Superman is still Clark Kent and Batman is still Bruce Wayne (Let's just ignore that whole "Battle For The Cowl" thing for now, huh?) despite the fact that they've fought for justice alongside… » 3/01/09 11:48am 3/01/09 11:48am