In Miniguns: Assault we had commanders that lead your army into battle. They all had unique stats and backstories and appeared as portraits. Here's a batch of them. I did most of the UI in the game and wrote all of their backstories so I've stared at these mugs a little more than I'd like to admit, hehe.
I'll list their names and who did what art-wise on each.
Grit Stackhouse - Concept
Colonel Strang - Concept/Paints
Based on the likeness of
S.A.M. - Concept/Paints
Based on the likeness of our original CTO, Sam Christiansen
Hope ya dig!
Artists on Miniguns: Assault