Board Thread:General Discussion/@comment-27984708-20160406111402/@comment-5840693-20160407204141

1. The human is Frisk, so they can't be posessed by themself. "When Toriel leaves the room Frisk/Chara possesses the Human"

Chara owns Frisk's soul after the Genocide, so Frisk was "posessed" (if you can call it that way) the whole time after genocide.

2. Frisk is not surely male, nor are they female.