Lord Petyr Baelish from A Clash of Kings is also known by the nickname, Littlefinger. He is the master of coin for the King at kingslanding. Tyrion thinks at first that he's a spy for Cersei, but when Littlefinger arranges for Myrcella to be wed to Robert Aryn, Lysa's son, Tyrion knows that he's not anyone's ally but his own. Littlefinger owns many brothels in the city.
