Kratt
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Kratt (Estonian Swedish skrat), also pisuhänd, puuk, tulihänd, vedaja, is a magical creature in Estonian mythology, a treasure-bearer. In Votic, a similar creature is called lemmüz. In Finnish mythology, there is a treasure guardian called Kratti or Aarni.
Kratt is related to the Germanic and Slavic Schrat (cf. Estonian Swedish skrat, Polish: skrzat), also known as Puck (cf. Estonian: puuk, Swedish: puke, Low German: Puk), but also Nordic gnomes and wights, and they likewise sometimes transform into firedrakes (see flogdrake) or thereof dragons to transport and guard their treasures.