Podrick Payne
Young Podrick, Tyrion's loyal squire and partner in more than one misadventure, may be familiar to fans thanks to his portrayal by Daniel Portman as a skilled ladies' man. However, his description of the books diverges significantly from the show's portrayal.
In the books, he is only about 11 years old and initially quite shy, ruling out his romantic escapades with women throughout Westeros. Additionally, unlike the show, where Tyrion personally selects Podrick, in the books, Podrick is sent to Tyrion as a form of punishment for stealing drinks.
