Gríma, called Wormtongue, is a fictional character in J. R. R. Tolkien's The Lord of the Rings. He appears in the second and third volumes of the work, The Two Towers and The Return of the King, and his role is expanded upon in Unfinished Tales. He is introduced in The Two Towers as the chief advisor to King Théoden of Rohan and henchman of Saruman. Gríma serves as an archetypal sycophant, flatterer, liar, and manipulator. The name Gríma derives from the Old English or Icelandic word meaning "mask", "helmet" or "spectre". It is also possible to link the name to the English word "grim", which among other characteristics means "ugly" in Old English.