the irish carman, an evil witch with three sons named Dub (darkness), Dother (evil), and Dain (violence).
The norse syoja, which causes cancer.
The finnish hiisi, a deity who gave life to the first snakes.
The slavic kikimora.
The arabian ghul, not to be confused with the western "ghoul".
The indian navagunjara, a chimera-like creature.
The chinese nu wa, a snake-woman responsible for creating humans.
The japanese sazae-oni, a turban snail demon. yes, a frickin shellfish monster!
The australian yara-ma-yha-who.