The Covenant

The covenant is aliens that invaded Earth and Reach.
They fight to kill the marines and spartans. They have powerful guns
and know how to use them well. The Brutes and Elites have Energy Swords and
Gravity Hammers.

Emile

Emile is only in Halo Reach. He has a knife and a shotgun.
His motto is: I don't only wanna win the war, I only wanna kill
the enemy.

The Master Chief

The Master Chief is a chief spartan in the game Halo 1, Halo 2 and Halo 3. He has sand green armor and like all spartans, a assult rifle and a magnum pistol.
He is awesome in the game and knows how to use his weapons well.