Meryn Trant

Meryn Trant is a knight of House Trant and a character of A Song of Ice and Fire and it's adaptation Game of Thrones. He mostly appears as a minor character and a minor antagonist and is the quarternary antagonist of season 5 of Game of Thrones

In the TV series he's played by Ian Beattie.

Ser Meryn is a member of House Trant, a family of the Stormlands and vassal house to House Baratheon. He becomes a knight of King Robert's Kingsguard after Robert's Rebellion. He's a proud man and a successful tourney knight. However he's not a friendly person and always breaks a knight's sworn duty to defend the weak and the innocent without hesitance or question. Sansa says he's not concerned about it, indicating his lack of morality and compassion. He's considered sly and cruel and he's loyal to Cersei Lannister, according to Varys. He is also allegedly responsible for the death of Syrio Forel, the master swordsman who was last seen duelling Meryn in the Red Keep.