 In some variants, the castaway boy sets a trap to rescue his brothers and release them from a transformation curse, or the boy asks his mother for a meal made with her "breast milk" to give to his brothers when he sets out to rescue his siblings from the place where they have been kept as prisoners.Russian tale collections attest to the presence of Baba Yaga, the witch of Slavic folklore, as the antagonist in many of the stories.The tale can also be found in Finnish, Estonian, Hungarian and Baltic folktale collections.