Tanya von Degurechaff

Tanya von Degurechaff is the main protagonist of the light novel/anime Youjo Senki: Saga of Tanya the Evil. Originally a salaryman who died in an accident in 2013, he was reborn as a girl living in an alternate universe version of Europe during World War I.

At just nine years of age, Tanya enters the Empire's Mages Division and is promoted to Second Lieutenant. Her talents, efficiency, and ruthlessness makes her an asset for the Empire and a threat on the battlefield.

Since she graduated from the War College as one of the twelve knights, she's granted the title of von.

Moreover, she leads her own newly-formed Wing Battalion named Imperial Army 203rd Air Mage Battalion known as V601.

Appearance
During her time as a salaryman, she was a man who has a black hair and brown eyes. She wears a formal suit and a necktie.

As she reincarnated as a girl, she has now a blonde hair and blue eyes. She has a small figure and cute face with minimal height and weight of an eleven years old child.

Moreover, as a soldier, she always wears her military uniform including her Silver Wing Badge in civilian places and a battle suit in the battlefield anytime and anywhere she went.

Personality
She has a lot of characteristics of a villain that is opposite to her main status as a protagonist. She is a ruthless, lunatic, cruel, an aggressive-type and sometimes full of madness that her own battalion terrified the most.

However, she is always considerate the situation she has to take. She is a good strategist and planner. She thinks first the best solution before she act towards the enemies or any challenges.

Even though she thinks humans and her battalion as mere resources and doesn't care about them, she never let any single one to die under her command because of afraid to have a bad reputation and records.

Trivia

 * Tanya Degurechaff was compared to the Fallen Hero of Germany named Manfred von Richthofen a.k.a Red Baron. Both of them are considered as "Aces of Aces" during their own World War.
 * According to the light novel and manga, she has a confirmed record of 62 kills and 32 assists after her departure in the Rhine.
 * She has a hobbies of drawing maps, carrying a rifle in the civilian places and making plans to kill Being X.