Bogle

A bogle, boggle or bogill is a British (particularly Northumbrian and Scots) term for a ghost or folkloric being, used for a variety of related folkloric creatures including Shellycoats, Barguests, Brags, the Hedley Kow and even giants such as those associated with Cobb's Causey (also known as "ettins", "yetuns" or "yotuns" in Northumberland).