A domovoi is a house spirit. Often times one of a deceased family member, who watches over the family and helps with certain tasks. They pre-date christianity and can be found in scottish folkmagic, slavic paganism and anglo-saxon paganism to name a few. Domovoi like offerings such as milk and honey and like to see their name about the home as they can be considered a lesser god/deity. Also known as the hearth godess. Some examples are frigg and hermes.