What is "carnacki"

Thomas Carnacki is a fictional occult detective created by English fantasy writer William Hope Hodgson. Carnacki was the protagonist of a series of six short stories published between 1910 and 1912 in The Idler magazine and The New Magazine.

These stories were printed together as Carnacki the Ghost-Finder in 1913. A 1948 Arkham House edition of Carnacki the Ghost-Finder edited by August Derleth added three stories: " The Haunted Jarvee", published posthumously in The Premier Magazine in 1929; " The Hog", published in Weird Tales in 1947; and " The Find", a previously unpublished story.