Erich von Rerugen/Relationships

Tanya von Degurechaff
He sees her as a killer doll and vehemently denying her of any chance of fighting or getting better from her achievements for the sake of the Empire.

Despite of his own personal argue, his perspectives to her was suddenly changed when they started to agree in terms of unique and rare strategic plans to end the war. They are now become semi-friendly in the series.