So, let's start with Doc Holiday mixed with some traditional Old West tropes Gambler Marksman Was a war 'hero' Yet discharged under a cloud Apathy and cynicism covering a desire for a just world Sees the universe as Sheep and Wolves Despises them both, but will do his best to shift the balance in the sheep's favor. Obviously when the rubber hits the road, things change and evolve. This is just my starting point. And if memory serves, some of this is going to be determined by some die rolls. Old west and space? Perhaps my Cowboy Bebop / Firefly roots are showing.