Catelyn Stark is the Hello my name is Arya stark you killed my father prepare to die shirt, she had both Jaime and Tyrion in her power (at different times) but let them go without gaining any sort of advantage over the Lannisters. Ned Stark - Loyal , Honorable and generally likeable , but he goes ahead and informs Cersei (the queen) that he is going to oppose her son's ascension . Also , he trusts Littlefinger - not a great thing to do in Westeros
