One of Reinhards Rear Admirals and Reuenthal's very close friend.
Mittermeyer was born in the Galactic Empire to a middle-class family. He has a strong sense in family. He marries his childhood Evangeline. He later befriends Reuenthal while stationed at the Iserlohn fortress. He is a man of strong moral's and believes in justice, he orders his subordinates to be executed for robbing and murdering a civilian women. However the soldier he killed belonged to a powerful noble family. This causes him to get put in prison and is most likely going to be killed. With the help of Reuenthal and Reinhard he escapes his fate and offers his loyalty to Reinhard and becomes one of his rear admirals.
He is nicknamed the "gale wolf" for his lighting quick reflexes and his ability to cover huge amount of distances in a short period of time. His flagship is the Beowolf, and is one of the best admirals in Reinhards fleet.