User blog comment:Schiffy/BG9: Man, Machine, or Something Else Entirely?/@comment-8840393-20130920010321/@comment-11051098-20130920135049

I'm on the though that both Äs Nödt and BG9 could be powerful Arrancars, wearing those masks to cover mask remnants, maybe similar to those of Harribel and Yammy.