BG9 is a Generation X Vesper feared through the Vespers, the Cahills, and other global organizations. He is the most powerful member of the Shadow Army Batallion. He is called a war machien due to his capability to destroy an entire organization in a matter of seconds. He is known for the powerful blasts he can create with his guns and how he can mow down armies with just his machine gun. Rumor has it he's never been injured due to his extremely high defense.