Ramsay Snow is the ruthless bastard son of Roose Bolton. He has been torturing the captured Theon Greyjoy and turned him into Reek.
Poderick is the former servant Tyrion Lannister. When Tyrion was imprisoned after Joffrey was killed, Poderick became the personal squire to Brienne as she attempted to find and protect the Stark daughters.
Oberyn Martell, a.k.a The Viper, is a legendary fighter from Westeros’ southern region of Dorne. Oberyn’s sister was married to a former king Aerys Targaryen. When he was overthrown, Oberyn’s sister was raped and murdered along with all of his children. Now, he has returned to King’s Landing to get revenge.
Ned Stark is the patriarch of the Stark family. He was beheaded at the request of King Joffrey after Ned discovered the truth, that the king was bastard son of the queen and her twin brother.
Gregor Clegane, a.k.a. The Mountain, is one of the largest and best fighters in Westeros and is completely loyal to the Lannister family. He is Cersei’s chosen champion in the trial by combat to convict Tyrion.