Complex sentence: Iwan Rheon (born 13 May 1985) is a Welsh actor, singer and musician, best known for portraying Ramsay Bolton in the HBO series "Game of Thrones".
Split into simpler sentences: Iwan Rheon (born 13 May 1985) is a Welsh actor, singer, and musician. He is best known for portraying Ramsay Bolton in the HBO series "Game of Thrones".