In Icelandic folklore, this word describes both a ferocious cat that devours people who are not wearing new clothes and a set of 13 mischief-causing “lads.” For 10 points each:
[10h] Give this word that also describes a type of festive Scandinavian goat character and a related practice of wassailing in disguise.
ANSWER: Yule [accept Yule cat or Yule lads or Yule goat; accept Jule or jól in place of “Yule”; accept Yuletide; accept Julebukking]
[10e] Scandinavian folk practices involving the Yule goat have been linked to the pre-Christian worship of this Norse deity, whose chariot was drawn by the goats Tanngrisnir and Tanngnjóstr.
ANSWER: Thor [or Thuner or Thunar or Donar]
[10m] A white goat similar to the Yule goat is one of the symbols of Dazhbog, who was worshiped as the protector deity of the Kievan Rus along with this other god. This god frequently fought with the underworld god Veles over cattle.
ANSWER: Perun
<Mythology>