Herzog Friedrich von Anhalt had a fantastic mustache and a nice helmet too.
from Wikipedia: Frederick II (19 August 1856 - 22 April 1918) was a Duke of Anhalt.
He was born in Dessau the second son of Hereditary Prince Frederick of Anhalt-Dessau and his wife Princess Antoinette of Saxe-Altenburg. In 1863 his grandfather Leopold IV became Duke of the united Duchy of Anhalt following the death of the last Duke of Anhalt-Bernburg. His father succeeded as Duke of Anhalt on 22 May 1871. Frederick became heir apparent and Hereditary Prince following the death of his brother Leopold on 2 February 1886. Frederick was married on 2 July 1889 at Karlsruhe to Princess Marie of Baden, elder sister of Prince Maximilian of Baden, 8th Chancellor of Germany.
On 24 January 1904 he succeeded his father as Duke of Anhalt. During his reign he was known for his love of music and maintained a Court Theatre which became celebrated throughout Europe. He died at Ballenstedt Castle and was succeeded by his brother Eduard.