Hammer

"Time to put the hammer down, boys!"

- Hammer in From Stumbled Beginnings Hammer is the drill sergeant at the Red Army base that Simmons and Grif trained at before they were stationed at Blood Gulch.

Overview
As the drill sergeant, Hammer watches over the recruits and provides motivational commentary as they train. He, like Simmons, appears to enjoy pleasing his commanding officer and follows his C.O.'s orders seemingly without question.