Pook

(Previously known as Mulch)

He/him or they/them

Puca / shapeshifting woodland spirit.
https://en.wikipedia.org/wiki/P%C3%BAca

Lives in a burrow / trash heap in the base of a tree, built up with stuff collected from around the forest and  Old planks, metal cart pieces, barrel hoops, lanterns etc.

Not malevolent but protective of their home.