Mankato artist selected to design Surly Brewingâs Darkness label Mankato artist selected to design Surly Brewingâs Darkness label By Bernadette Heier | March 2, 2021 at 7:36 PM CST - Updated March 23 at 12:17 AM MANKATO, Minn. (KEYC) â After pouring over the work of dozens of artists, Minneapolisâ Surly Brewing Company has selected a local artist for a big opportunity. âI love monsters. I love drawing monsters, I draw all sorts of scale slimey things,â said Mankato artist Justin Bergo. Bergoâs talent and a passion for all things scary makes him Surly Brewing Companyâs pick for their 2021 Darkness Artist. Each year, Surly searches for a new artist to design a label for one of their most popular beers, a Russian imperial stout called Darkness.