my "theory" on chell is that she is merely a test subject her origins do not matter as she is basically an OC to each different player , and that is why they removed grunting sounds from portal 2 to lead the player into thinking up what the voice sounds like which leads to also why there are...
just to clear this up i forgot my password for my email and for this site so that now i can't use that account i made this one the account was the one that made the gman being a combination of chuck norris and charlie sheen joke on the gman theory thread