What's your first born child's name?

Patron: What was the middle name of Hubert Humphrey?
Librarian: ::Looks it up on wikipedia.org ::
Horatio
Patron: Wow! Thanks so much! Hey, to thank you, I want to whittle you a key chain. What's your name?
Librarian: Um, you don't have to do that.
Patron: No, I really want to.
Librarian: Um. Well, it's Joe.
Patron: Okay, what is the first letter of your middle name.
Librarian: Um...L
Patron: Okay, what's is the first letter of your last name?
Librarian: Um...A
Patron: Okay, what kind of car do you drive?
Librarian: Okay, this is getting really weird, and you know what? I ride the bus and we're closed. Good night.