Echidna (mythology) VS Pontianak (folklore)

Echidna (mythology)
In Greek mythology, Echidna (; Greek: Ἔχιδνα, "She-Viper") was a monster, half-woman and half-snake, who lived alone in a cave. She was the mate of the fearsome monster Typhon and was the mother of many of the most famous monsters of Greek myth.
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Pontianak (folklore)
The Pontianak, Matianak or Kuntilanak (from Dutch-Indonesian: Puntianak, Jawi: ڤونتيانق), sometimes shortened to Kunti, is a mythological creature in Malay and Indonesian folklore. It is described as a vampiric, vengeful female ghost. The pontianak is the singular form of Kuntilanak, a woman who died in childbirth. Similar to the langsuir in Southeast Asia, the pontianak is a long-hair female bloodsucker that represents a local variation of vampire lore. She lures in unsuspecting men to incite fear and enact revenge. Signs that a pontianak is nearby include the sound of an infant crying and the smell of decaying corpses or the plumeria flower.