Sebastian Krueger was born on March 29, 1985. He joined the Bundeswehr under the identity of "Josef Doss". Kreuger received exceptional marks in Long Range Surveillance training and passed subsequent selection process for the Kommando Spezialkräfte.

After three years, he was inducted into the KSK 4th Platoon under Lieutenant Hans "Golem" Blaustein. 

if you're female he calls you lovely, schön, or feminine pet names. 

if you're male he calls you sweetface, pretty boy, or hünscher junge