User blog comment:Xilinoc/Ch. 548 - The Thin Ice (hopefully fixed version)/@comment-1747976-20130912153845/@comment-11051098-20130914231514

I know, yes. But still, the being who is the real Zangetsu have changed, so to have it all correct, I think we should all start calling them the correct name.

It would have been easier if Kubo gave fake Zangetsu a new name, though.