Avery Johnson (Earth-2042)

"Dear Republic: We regret being alien bastards. We regret coming to Reach. And we most definitely regret that the Corps just blew up our raggedy-ass fleet!"

- Avery Johnson

Sergeant Major Avery Junior Johnson (service number: 48789-20114-AJ) was a male Human senior non-commissioned officer of the Systems Alliance Marine Corps who served during in the fight against the Insurrection, the Stark Hyperspace War and the Clone Wars. Johnson was a highly trained marine, who also served with various units of the Naval Special Warfare Command, most notably the highly classified ORION Project, the Systems Alliance's first super-soldier program.

Source

 * https://www.halopedia.org/Avery_Johnson