Bolotnik
In Slavic mythology, bolotnik (Russian: болотник, pronounced [bɐˈɫotʲnʲɪk]; from boloto, "swamp"), balotnik (Belarusian: балотнiк), bolotianyk (Ukrainian: болотяник) or błotnik (Polish; [ˈbwɔtnik]; "mud" or "puddle") is a male swamp spirit. There are many descriptions of bolotnik.