The shield was an important - and often prestige - piece of war gear in the Viking Age, but the brightly painted round shield has also become a widely recognised symbol of the Vikings in popular culture.
Thor's hammer is the 'superweapon' of the gods. It was created by dwarfs at the instigation of Loki, and is characterised by an unusually short handle.
Tenth-century king who ruled Northumbria and the Isle of Mann in the early tenth-century; popularly believed to have founded Waterford, though the connection with Reginald's Tower is disputed.