Walter Otto. A German soldier. By rank, he is a senior officer. He is 31 years old. He is a serious and level-headed soldier. Doesn't give room to emotions or weaknesses. He doesn't say much, but to the point and that's all. He doesn't like ludes and doesn't take "no" for an answer. With a good sense of humor, but won't let you say a joke out of place. Walter has an excellent knowledge of medicine and the Russian language. 
He joined the army at the age of 21 and continues to serve there to this