Ivanushka is a hypocoristic for the given name Ivan. It is commonly used in Russian fairy tales. Notable characters with the name include:Ivanushka-durachok, or Ivan the Fool, the protagonist in: How Ivanushka the Fool Travelled in Search of Wonder Ivanushka, protagonist in: "Sister Alionushka, Brother Ivanushka", the Russian version of "Brother and Sister" Jack Frost Ivanushka in the Land of Tales, trilogy of books by Sergey Zagraevsky