Perkunas (Lithuanian: Perkūnas, Latvian: Pērkons, Old Prussian: Perkūns, Perkunos, Yotvingian: Parkuns, Latgalian: Pārkiuņs) was the common Baltic god of thunder, and the second most important deity in the Baltic pantheon after Dievas. In both Lithuanian and Latvian mythology, he is documented as the god of sky, thunder, lightning, storms, rain, fire, war, law, order, fertility, mountains, and oak trees. https://en.wikipedia.org/wiki/Perk%C5%ABnas

Multipurpose vessel: tug, icebreaker, pilot vessel.
1939 renamed "Hermann". Sunk April 1945 at Pillau by bomb.
Buit 1930 Schiffsweft Lindenau, Memel.