From the forums:
Kyle: So she knew about the hotel, huh?
Jeff: You practicing to be an echo chamber or something?
Ghido: [You'll need] the twelve legendary weapons used to defeat the warlock Enuo a thousand years ago.
Bartz: The twelve legendary weapons?
Ghido: Sometimes I wonder if you say things like that to spite me... Yes, the twelve legendary weapons. They are weapons. They are legendary. There are even twelve of them.
Final Fantasy V, GBA version
GLaDOS: Well. This is the part where he kills us.
Wheatley: Hello! This is the part where I kill you!
CHAPTER 9: The Part Where He Kills You
Achievement Unlocked: The Part Where He Kills You
Irritated Statement: Master, if you insist on echoing everything I say, this already tedious conversation is in danger of becoming even longer.
Graham: Now, it's important to remember that the player is stupid, so if you have any really crucial information you need them to know, have characters in the game ask the same kind of idiotic questions the player would ask if they were there.
Paul: And if you can't think of any stupid questions, just repeat the last thing that was said in the form of a question.
Shnitzel: Radda radda ra-radda radda!
Chowder: What do you mean "stop repeating everything you say"?
Shnitzel: (groans)
Chowder: What do you mean "stop repeating everything you say"?
Shnitzel: (groans)
— Chowder
Bill: That guy's job is to repeat everything he says like he doesn't believe it.
Ice Cream Vendor: You want me to leave my store to travel the world tasting ice cream for Ice Cream Illustrated Magazine?!
Flemco Messenger: Yes, we just told you exactly that! Why did you repeat back to us in the form of a question?
Ice Cream Vendor: Why did I repeat it back to you in the form of a question?
Flemco Messenger: Yes, we just told you exactly that! Why did you repeat back to us in the form of a question?
Ice Cream Vendor: Why did I repeat it back to you in the form of a question?
— The Replacements, lampshade hanging the trope
