That the tsar ivan the terrible to be a collation of four rulers, no less.
ivan, meanwhile, sits beside a birch tree and plays on his recorder.
ivan grabs its mane and holds on as the horse tries to shake him off.
British Dictionary definitions for ivan
known as Ivan the Great. 1440–1505, grand duke of Muscovy (1462–1505). He expanded Muscovy, defeated the Tatars (1480), and assumed the title of Ruler of all Russia (1472)
known as Ivan the Terrible. 1530–84, grand duke of Muscovy (1533–47) and first tsar of Russia (1547–84). He conquered Kazan (1552), Astrakhan (1556), and Siberia (1581), but was defeated by Poland in the Livonian War (1558–82) after which his rule became increasingly oppressive
masc. proper name, from Russian, literally "John," from Greek Ioannes "John." As the personification of Russia, or the typical name for a Russian man (originally a Russian soldier), attested from 1870.