Cory was the other one who never got a dad story. "Your dad was just a twinkle in my eye," was all Mom would say. Cory would smile and go running off with Vessy, and Mom's eyes would follow Vessy, but Cory she had to follow with her ears only, because of the deal she made with Cory's dad.
A look at the non-subtle antagonist in James Cameron's movies
Once you've got evolution started, / don't worry about the mess