Kletnik

Kletnik is mythological creature from slavic folktales,they also share same characteristics with Navs,wicth conects them with realm of the dead,they can cause physical sicknesses to humans,making their teeths fall out,making flu,deafen them or blind them.
Also can cause plague wich many times can be related to Chuma,some says it that Kletnik is actualy child of Chuma
Since his mother is Black Death itselfKletnik ap[ears at night from attic or chimney,carrying bowl of bugs and rats.
People tended to wash their dishes before sleep,because Kletnik or Chuma had habit to scratch them with their dirty nails and poison them with all kinds of sickness.His name "Kletnik" comes from the actual work ProKLET or in the basic translation "Cursed one"