Who tortured Theon Greyjoy?

Who tortured Theon Greyjoy? Theon takes Winterfell from Robb’s brother, Bran, but eventually is betrayed by his own men, which leads to his capture by House Bolton. He is tortured and forced into servitude by Ramsay Snow, who turns him into a broken pet named Reek.

Theon takes Winterfell from Robb’s brother, Bran, but eventually is betrayed by his own men, which leads to his capture by House Bolton. He is tortured and forced into servitude by Ramsay Snow, who turns him into a broken pet named Reek.