Petyr Baelish / LittlefingerLittlefinger is nothing but a snake and many poke fun at the fact that he has no loyal friends.
Viserys TargaryenHe often threatens as well as violently puts his hands on Daenerys.
Euron GreyjoyIn his first appearance, he kills his brother and wants to marry Cersei in order to climb up the Iron Throne.
Lord Robin ArrynHis total blindness to the manipulation of Littlefinger who was able to wrap Robin around his "finger," use him to serve his agenda.
Lord Robin ArrynRobb's pregnant wife was stabbed in the stomach countless times, and he as well as his mother were killed without hesitation.
Tywin LannisterThough Tywin is the richest man in all of Westeros, his hatred towards his youngest son, Tyrion, could not buy him love from the audience.
The WaifThe Waif takes pleasure in harming Arya to the point of bruises and blood.
MelisandreShe latched on to Stannis Baratheon and made him believe that he would be king if he followed the Lord of Light.
Theon GreyjoyAfter spending time with Robb on the battlefield, Theon makes his way back home to his father.