The article analyses the content of the longest running Lithuanian underground magazines from the 1970s and 1980s: Lietuvos katalikų bažnyčios kronika, Aušra, Rūpintojėlis and a few others, were published in independent circles associated with the Church. The aim of the analysis is to verify whether the figures of medieval Lithuanian heroes, Grand Duke Vytautas and Saint Casimir, were presented in those magazines as models for the Lithuanian Catholic. Scholars note that the notion of a Lithuanian Catholic and, in a broader sense, of an almost inseparable link between Lithuanian culture and Catholicism as a prerequisite of survival in Soviet reality, were present in the Lithuanian national ideology among both the emigrants and in the country...