It's many things. .
a famous German political family. Notably, the first chancellorof unified Germany, Otto von Bismarck, nicknamed the "IronChancellor". Some of his descend…ants are still involved in Germanpolitics. .
a German battleship from World War II, named after Otto vonBismarck. It was one of the largest battleships ever built, but washunted down and sunk by the British Navy. .
in parts of the US and Canada, it's a kind of jelly donut .
an alcoholic drink made from a mix of dark beer and champagne,which Otto reportedly loved. .
the name of several cities, notably the capital of the US stateof North Dakota. Most of these are also named after Otto. ( Full Answer )