Leshi

Leshii (leszy, lesij, lesij, leshy, Lešy, Lesiy, lechie, leshiy) (Ukrainian: Лісовик, Russian: ле́ший) is a woodland God in Slavic mythology who protects wild animals and forests.

Category

Lesser old woods´ God.

Can look like anyone. (Shapeshiffting entity)

Was killed by the Dean and Sam.

Powers 

General God powers+shapeshiffting.