[quote name='AGOT, Tyrion 7']Tywin son of Tytos of House Lannister, Lord of Casterly Rock, Warden of the West, Shield of Lannisport, and [b]once and future Hand of the King[/b][/quote]
There is a book called [url="http://en.wikipedia.org/wiki/The_Once_and_Future_King"] the Once and Future King [/url].