Korochun
Koročun or Kračun (see other variants below) is one of the names for the time of the year that corresponds to Christmas in several Slavic languages such as Pannonian Rusyn, as well as the common name for the holiday in Romania and Hungary. It is also refers to an evil spirit which shortens one's life, in particular bringing a sudden death, as in the curse "Let Karachun take you! " (Russian: Карачун тебя возьми!