man-in-the-oak

I might indeed say the Phuca is a Celtic superstition, from which the word Pook or Puckle was doubtless derived; and I might conjecture that the man-in-the-oak was the same with the Erl-König of the Germans; and that the hellwain were a kind of wandering spirits, the descendants of a champion named Hellequin, who are introduced into the romance of Richard sans Peur.

Letters on Demonology and Witchcraft 1885

I might indeed say the Phuca is a Celtic superstition, from which the word Pook or Puckle was doubtless derived; and I might conjecture that the man-in-the-oak was the same with the Erl-König of the Germans; and that the hellwain were a kind of wandering spirits, the descendants of a champion named

Letters on Demonology and Witchcraft Walter Scott 1801