Mishipeshu color sketch by *viergacht (Native American)
A "Nokk" or water horse fairy. They would entice humans to climb on their backs, then take them on a wild ride ending by plunging back into their lake to drown them. By Theodor Kittelsen
Yuki-Onne (Japanese.) A Goddess of death who chills into numbness those who will die, making their death peaceful. She cuts the cord at life’s end.
A Japanese Tengu ("heavenly dog"). Buddhism long held that the tengu were disruptive demons and harbingers of war. Their image gradually softened, however, into one of protective, if still dangerous, spirits of the mountains and forests. Tengu are associated with the ascetic practice known as Shugendō, and they are usually depicted in the distinctive garb of its followers, the yamabushi. - wiki
Muldjewangk- Australian myth: a gargantuan half man half fish. It lives in lakes and steams. Kids weren't allowed to play near water for fear of it. It was once said to attack a European steamboat.
Egyptian God Horus.
Slav Mythology (a small part of it)
はかあらひ（墓洗い）：”Haka-arai” － a monster that washes and cleans tomb stones