"Distrusting me was the wisest thing you've done since you climbed off your horse."
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Petyr Baelish is the Master of Coin on the Small Council. He is a skilled manipulator and uses his ownership of brothels in King's Landing to accrue intelligence on political rivals. His spies which are everywhere make him a "knowledgable" man, second in such power only to Varys. He betrayed Eddard Stark to side with House Lannister and King Joffrey Baratheon following the death of King Robert Baratheon. Following the events of the Battle of Blackwater, King Joffrey named Littlefinger the Lord of Harrenhal.

vs.

"I'll tell you what. I'm going to give you a present. After I raise my armies, and kill your traitor brother, I'll give you his head as well."
"Or maybe he'll give me yours."
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Sansa Stark is the eldest daughter and second child of Lady Catelyn and Lord Eddard Stark. She adopted a direwolf she named "Lady", but Lady was executed following a dispute between Joffrey and Sansa's sister, Arya. Sansa was once betrothed to King Joffrey Baratheon. She was initially thrilled at her betrothal, but has since experienced Joffrey's cruelty and watched the execution of her father, Eddard Stark, on his orders. Joffrey has since set aside his betrothal to Sansa in favor of Margaery Tyrell, but she remains a captive of House Lannister in King's Landing.

I voted Sansa! She was one of my least favorites in S1 but I think her character has gotten better and better ever since she learned Joffrey is a monster.

Littlefinger is OKAY. I really liked Aidan Gillen as Carcetti but for some reason he annoys me in this role. Maybe it's the accent