A frightening spirit in English folklore. On the Isle of Wight he is a nursery bogie used to scare children into good behavior. The name Mum alludes to his silent approach. See also Hodge Poker and Tom Poker.
- Scott, C.P.G. (1895). "The Devil and His Imps: An Etymological Inquisition." In Transactions of the American Philological Association. Vol. 26. Boston: Ginn & Co., p. 118.
- Wright, J. (1903). The English Dialect Dictionary. Vol. 4. London: H. Frowde.