Being in the military I've met several individuals who come close to matching his personality.
One shot one kill? Please, I don't have that kind of time.

I had a squad leader in the army who was very much like Crites... minus the assaulting officers thing, though I know he very much wanted to on a few occasions. 

Abaddon, Baphomet, Samael, "that bitch who stole my wallet"... I am known by many names.

Sgt. Renee Jordan PUMC, PUV James Keeling

Because they are awesome. My personal favourite, "You are genetically incompetent." Fabulous.
-- Death, chaos and mayhem, the music of the night

was counseled on several occasions for body slamming 2nd Lieutenants for being stupid.
One shot one kill? Please, I don't have that kind of time.