In the beginning of the series, we didn't know his name, so he was named HRG. When he was finally shown as Claire's father, then we knew.
I forgot about that episode....that was a pretty cool twist!
You people have ruined "Star Trek The Next Generation" for me. You are absolutely the most insufferable group of jackasses I have ever had the misfortune of spending an extended period of time with. I hope you all f@*#! die. - Stewie after spending the day with the TNG cast.