Question: Which mythical character from medieval legend because popular during the era of Romantic nationalism and has a core unit of the Lithuanian Army name inspired by him?
Sentence (from "Mechanised Infantry Brigade Iron Wolf"): Mechanized Infantry Brigade "Iron Wolf" (MIB "Iron Wolf") (Lithuanian: "mechanizuotoji pėstininkų brigada "Geležinis Vilkas"" ) is the core unit of the Lithuanian Army and forms the country's contribution to NATO collective defence.
Relevant evidence: Yes