Fyglia

The Fyglia is a form of undead from Iceland. They’re flesh eating creatures whose name means “following spirit.” They climb roofs and kick off shingles when searching for prey. To kill a Fyglia, it must be captured, decapitated, and reburied with the head placed under the body.

Citations:

Bane, Theresa. Encyclopedia of Vampire Mythology. United States, McFarland, Incorporated, Publishers, 2017.