Andrew Douglas Senior was born in Louisville Kentucky, US. He did pretty well in school and was a disciplined child. After finishing high school he signed up for the US army. He got through the Bootcamp with ease and eventually he was sent to fight in the Gulf War that happened in 1991. He was trained to become a field medic and saved many lives on the battlefield. He also did two tours in afghan in the early 2000's. In 2008 he was honorary discharged from US army with the rank of Sergeant Major and a few shiny medals.

With the money, he earned from the military career he bought himself a house and a nice car. He eventually found a wife and had a son by the name of Andrew Douglas Junior. Andrew tried to reintegrate himself into society but he wasn't able to. He tried working various boring 9-5 office jobs but he couldn't stand it and quit within a few months. Andrew wanted to be on the battlefield as fighting and his medical knowledge were the only things he was good at and he enjoyed doing.

Eventually Andrew Douglas Senior got into military contract work as a mercenary. His wife divorced him because he wasn't home enough but he wasn't bothered that much. He was deployed in many operations around the conflicts in the world and eventually after working for many Mercenary companies he was hired by Phantom Knife Mercanaries. He liked the fellow colleagues mercs and decided to stay and primary work with them. Eventually the company sent him to the region of Nyheim. His PMC squad got wiped out and he decided to join another mercanary company called Stray Dogs International