1) Turkic legendary creature 
Mhachkay (Turkish: Meçkey, Tatar: Мәцкәй and Mäçkäy or Мәчекәй sometimes Мәсек, Azerbaijanese: Məçkəy, Russian: Mасек) is a creature a bit similar to vampire in Turkic (and especially Tatar) folklore. People who were born with two hearts and two souls were believed to be Mhachkay. When Mhachkay was recognized it was ch...