Kappus (Earth-2042)

"It looks like the Separatists worked pretty hard to lock it down."

- Kappus, before unknowlingly releasing the Flood

Private Kappus was a male Human and an Galactic Republic Space Command Marine technical specialist. He was assigned to Fireteam Charlie, the unit that also housed Privates Manu Doza, Bisenti, Riley, Private First Class Waller Jenkin, and Staff Sergeant Avery Johnson.

Source

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