Felix Nikolaus Alexander Georg Graf von Luckner, sometimes called Count Luckner in English, was a German nobleman, naval officer, author, and sailor who earned the epithet Der Seeteufel, and his crew that of Die Piraten des Kaisers, for his exploits in command of the sailing commerce raider SMS Seeadler during the First World War. After the war, Luckner became a war hero in Germany and was renowned around the world for his seamanship and chivalrous conduct during the war, which resulted in a minimal loss of life on both sides.