Конёк-Горбунок (The Humpbacked Horse)

The Humpbacked Horse (Конёк-Горбунок) is a version of the Golden-Maned Steed fairy-tale character type, although a large part of the plot of this story is based on Tsarevitch Ivan, the Fire Bird and the Gray Wolf. The titular little horse helps Ivan, a peasant’s son, carry out the many unreasonable demands of the czar. During his adventures, Ivan captures the beautiful magic firebird for the czar, keeps his magic horse, and finds his love. (Summary from Wikipedia) and Mark Chulsky