<P> Theon is portrayed by Alfie Allen in the HBO television adaptation . </P> <P> Theon Greyjoy is the heir apparent and only living son of Balon Greyjoy . After not being a third - person narrator in the first novel, Theon is the narrator for a total of thirteen chapters in the second and fifth novels, A Clash of Kings and A Dance with Dragons . </P> <P> Ten years before the events of the series, Theon was taken hostage by Eddard Stark . He would have been executed had his father Balon displeased King Robert Baratheon . Theon was raised at Winterfell with the Stark children and developed a close friendship with Robb Stark . As an adult, Theon was arrogant, cocky, and proud until being imprisoned by Ramsay Snow, who is the eldest and bastard son of Roose Bolton . During the imprisonment, Ramsay severely tortured Theon physically and psychologically before emasculating him and mockingly changing his name to "Reek". </P> <P> Originally auditioning for the role of Jon Snow, the English actor Alfie Allen has received positive reviews for his role as Theon Greyjoy in the TV series . Paul Tassi of Forbes explained: </P>

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