Hamilton Klein is the Intelligence Officer onboard the CSV Muramasa.
Hamilton is a tall, fit man with a rough, yet handsome face. His well-kempt black hair compliments his simple, mono-colored clothing he can typically be seen wearing.
Little is known of Hamilton's life before he joined G.U.A.R.D.I.A.N.
Hamilton is currently assigned to the CSV Muramasa.
Hamilton is silver-tongued, cautious and witty.