David wants a little sister. Okay, he doesn't want her, but she's there so he deals. So far in my head, she's tentatively named Amy, but that's negotiable. Her mother is blonde (not David's mom), but Mr. Bretterson, (who is the cheating bastard man who fathered both of them has... Black hair I think. I just think it's funny if neither of them look like him, and both look like their mothers. But that's just me.