Originally posted by: Mae
I don't know... It looked like the cat was surprised when she saw the mask, so it could just be they don't know about it.

Maybe when he partially became a hollow during his training he didn't come completely back, and part of his soul is still a hollow? That could be who the black-eyed Ichigo in his mind was. And this part wants to take over and turn the rest of him... Or maybe not, we'll have to see.
no cuzz the Zangetsu thanked the black and white ichigo. and if he was bad he wouldn't do that...