After you completed all missions, you can select him as your character.
You can select your favorite stage, but cannot continue the game when you miss to complete the mission.
（The screen goes back to Select Screen.）
He belongs to the SF Force, in which soldiers learn how to train new conscripts, how to rescue the hostages and how to support executing missions.
He is really elusive like a phantom. Every body know him as a professional elite soldier.
As he is wearing the military uniform that is the same as rebel forces', it's rumored he had been a member of the independent armored division or the rebel forces, but nobody know the details.