Ethan Graves (Earth-4001)

Ethan Graves was a human of the UNSC Marine Corps serving as an Orbital Drop Shock Trooper. Born in around 2515 on the Jovian Habitats in the Sol system, he specialized in tactics and command. Graves was the leader of Fireteam Raven, an elite team of ODSTs attached to UNSC Pillar of Autumn during the Battle of Installation 04.

History
The history of Antonio Silva is the same as his mainstream counterpart.