Roose Bolton is a fictional character in the A Song of Ice and Fire series of fantasy novels by American author George R. R. Martin, and its HBO television adaptation Game of Thrones, where he is depicted by actor Michael McElhatton. Introduced in 1996's A Game of Thrones, Roose is lord of House Bolton, the second most powerful Northern house behind the Starks. The Boltons are notorious for their cruelty and custom of flaying their enemies. He also appears in A Clash of Kings (1998), A Storm of Swords (2000), and A Dance with Dragons (2011).
https://en.wikipedia.org/wiki/Roose_Bolton