Baba Jaga. Baba Jaga. In Slavic folklore she is an unearthly and appears deformed/ferocious looking. She flies around and dwells in a forest in a hut standing on chicken legs. She may help or hinder those who encounter or seek her out. According to Vladimir Propp's folktale, Baba Yaga appears as either a donor, villain, or may be altogether ambiguous.
Vladimir Yakovlevich Propp (29 April 1895 — 22 August 1970) was a Soviet formalist scholar who analyzed the basic plot components of Russian folk tales to identify their simplest irreducible narrative elements.