Mass Effect: Cortex Plus
Eminently Moral, Single-minded focus, Clever
“Our motto within STG is to always expect trouble. Failing that, create trouble for someone else. "
He was STG, but after having some moral qualms over some special operations on Tuchanka he has left STG. That said he still likes to create trouble especially against crime syndicates and mercenaries (although he is one himself).