The Folklore of the Baba Yaga 

The folklore tale of the Baba Yaga originates from Russian and Slavic culture. The tale brings a lot of stories of the old witch who haunts children, as well as incorporating itself into modern cinema and pop culture.  The Baba Yaga has been depicted specifically in the film John Wick and brought on questions with the purpose of this folklore tale being put into this new pop culture standard.