If you've read The Lord of the Rings by J.R.R. Tolkien or watched the films from Peter Jackson, Helm's name may ring a bell; he is the king for who, the fortress of Helm's Deep was named.
The Lord of the Rings: The Two Towers leaves one heartbreaking question about the Battle of Helm’s Deep unanswered ... who was the captain of King Théoden’s personal guard and the doorward ...