Board Thread:General Discussion/@comment-24276636-20140519184350/@comment-5398287-20140524034620

...except Kubo actually confirmed in an interview that Grimmjow was alive, and no one in the series ever said he was dead to begin with. Meanwhile, Kenpachi was all "oh now you're dead" and we never saw Nnoitra since. All in all, he's pretty much permadead, and there isn't really a reason to bring him back anyway.