User blog comment:Salubri/Hollow. Arrancar, Espada & Vasto Lorde/@comment-1393830-20100817220610

Two things, I think we can cut off the "most" at the 5th as we saw Grimmjow was just an adjuchas. The question is whether we consider Yammy a Vasto Lorde but that matter would bring up too much debate. I think it is pretty clear that Starrk was a naturally created Arrancar as he was entirely human looking before Aizen found him. Unless his hollow form had no mask it is pretty clear that he was naturally created