The biscione[a] ("big grass snake"), less commonly known also as the vipera[b] ("viper"), is a heraldic charge showing on argent an azure serpent in the act of eating a human. It is a historic symbol of the city of Milan, used by companies based in the city.
▪️Check out notorious female serial killer, Countess Bathory’s family crest, it’s a dragon:
https://commons.m.wikimedia.org/wiki/File:Coa_Hungary_Family_Báthory_Erzsébet_(1560-1614).svg
The biscione[a] ("big grass snake"), less commonly known also as the vipera[b] ("viper"), is a heraldic charge showing on argent an azure serpent in the act of eating a human. It is a historic symbol of the city of Milan, used by companies based in the city.
https://en.m.wikipedia.org/wiki/Biscione#/media/File%3AArms_of_the_House_of_Visconti_(1277).svg