Board Thread:Speculation House/@comment-26014103-20160521135038/@comment-109.131.167.58-20160702233502

92.18.152.238 wrote: I basically think Salem is a grimm that has evolved and took on a human shape. I don't think oz is fully human and I know that a lot of people want Salem to be Summer Rose because they either want to see her badassness in awesome with a twist, or people who honestly think Qrow is Ruby's dad and want to see an epic revalation.

This seems like the most logical of theories off of what we know so far. We know for a fact Grimm learn over time, an ancient-enough Grimm could develop sentience, and maybe, because they are more powerful, influence other Grimm.