^^ IIRC in an interview Kubo said he knew Isshin was a shinigami from day one.
About the topic, Shinji didn't recognize Isshin's reiatsu when Isshin killed GF, so in all likelihood Aizen didn't know Isshin personally but he certainly knew Isshin was a shinigami.
The main thing that gets me is what byakuka and ukitake said when they saw ichigo on the bridge when he was trying to save rukia, i remember there being a comment about ichigo looking resembling someone but no name was given, i know there's a lot of speculation on if it was the chap rukia killed or if it was another character entirely
in that period,everyone was comparing him to Kaien,who was also Ukitake's former vice-captain. I doubt kubo thought about someone else,especially since those 2 were almost identical. yet,if kubo made things turn out to be someone else,it would be stretched but we couldn't but accept it.
there is a supposed reason for him looking identical to kaien, im sure i read that it was going to be known why in this arc
I read somewhere that there is a reason it was only urahaha that went to SS with the soul sword to ask CC for permeation to help ichigo regain his powers, and the reason Ishhin didn't go is because it could have hindered the CC's decision, this suggests that CC and maybe the Older captains know him or of him. Also during the Azien arc CC plus the Older captains weren't near the fight between Azien, Ishhin, Yoruichi and Urhahaha so it is very likely they know him or his original identity
Isshin is a doctor in the real world , so that might have something to do with him being expelled from SS ? Maybe he was even the previous 4th division captain lol ...
but what if he healed some hollow and that was strictly forbidden in the past because somewhere along 4he way he met masaki and she lectured him about all beings have a life form and should be defended unless they evil or something like that , or heck he defended BB and quincies from Yamamoto because ryuken was his friend and used his FGT right there and lost his shinigami powers
As for aizen knowing of Isshin , maybe Isshin was some legendary shinigami and everyone knew him and aizen used his power to somehow erase Isshin from most of the shinigami's memory once he maybe knew that ichigo was his son and that made it easier for him to fake his death since ichigo was suspected of murdering him
Last edited by R3D; June 07, 2012 at 01:54 PM.
If I remember correctly in the spoilers that were given by Kubo before this Arc started it was said also that this Arc will explain Isshin's history, it will explain why Ichi and Kaien look alike and also the connection between Isshin and two Yama's oldest students will be revealed and also Aizen's role in Ichi's birth as Aizen told Ichigo that he knew him from the day he was born.
So I suppose Isshin was the leader of Shiba Clan , before it wasdestroyed.
It would seem that he was part of the Shiba clan, but all will be rivaled at some point