User blog comment:Mohrpheus/Spiritual Imbalance in Bleach - The End of the World?!/@comment-1393830-20100830223547/@comment-1857369-20100830235949

But is it not true that humans souls are not the only souls that become hollows. I'm thinking back to those filler episodes where Kon helps the little girl and her dog becomes a hollow. I know its not canon, but maybe that can explain where some hollows come from???