Sharku

Appearing only in the film adaptation of The Two Towers, Sharku is the leader of Saruman's Warg Riders. Sharku means "old man" in the language of Saruman's servants and may be a designation that he is an elder. However, in the book Sharku refers to Saruman himself. It is modifed to "Sharkey" by his minions when they take over the Shire.