Petyr Baelish is a controversial character .
In A Storm of Swords , it is revealed that several major plot points have hinged on Baelish 's intrigues , including the framing of Tyrion Lannister for the attempt on Bran Stark 's life , the downfall of Lord Eddard Stark , the deaths of Lord Jon Arryn and King Joffrey Baratheon , and the War of the Five Kings .