User blog:Soulreaper1234/Who should fittingly kills Aizen in the end?

ISSHIN & ICHIGO -

RANGIKU & KIRA -

URAHARA & YORUICHI -

HITSUGAYA & HINAMORI -

SHINJI & HIYORI -

KOMAMURA & HISAGI -

BYAKUYA, RENJI & RUKIA -

OTHERS -

Why?