Igor Karkaroff: I know for a fact... this person took part in the capture... and, by means of the Cruciatus Curse... torture of the Auror Frank Longbottom and his wife!

Barty Crouch, Sr.: The name. Give me the wretched name!

Igor Karkaroff: Barty Crouch... Junior.

Barty Crouch, Jr.: Get your filthy hands off me, you pathetic little men! Hello, Father.

Barty Crouch, Sr.: You are no son of mine.