Finding spirited presences in trees has long been part of woodland myth and folkore world wide. Here are other "tree people" images by some of my favorite mythic artists: Illustrations by Arthur Rackham From "The Land of Froud" by Brian.
Boggart An English folklore creature known for its relentless mischief. Can be quite malicious. Pranks include turning milk sour, waking sleeping babies, frightening pets etc. They cannot be reasoned with and are difficult to be rid of.
Jenni Saarenkyla - "I got the idea for this illustration from the old stories about the bear in Finnish folklore. In the olden days the bear was the most sacred animal and some even believed that when the bear moved the forest moved with it".
Theodor Kittelsen, The White Bear King. Polar bear biologist theorize that Kittelsen's painting of they myth of the White Bear King actually documents polar bears that once regularly ventured inland into the Scandinavian forests.