User blog comment:Insistente/Zangetsu - The Impostor/@comment-6943043-20130605181355/@comment-10542520-20130607052729

His mother was a quincy therefore he must be part human. Quincies are still human but not human at the same time. He is a shinigami(father)/hollow(training/maybe the attack on his mother by the hollow named White)/human(mother)/quincy(mother), a Shuminceylow.