BG9

is a male Echt Quincy and a member of the Vandenreich's Stern Ritter — bearing the designation "K".

Appearance
BG9 is a tall individual who wears a mask, which covers its entire face and extends behind its head. At its front, the mask has a peak at the center with slits on both sides.

He wears the standard uniform of a member of the Stern Ritter; a white, ankle-length cloak that features the Vandenreich insignia emblazoned on its back and a hood attached to the cloak's collar. Beneath this, the remainder of BG9's attire consists of a white double-breasted trench coat tied with a black belt, worn with white trousers and boots.

Personality
BG9 is a silent, mysterious individual.

History
BG9 was one of the Stern Ritter sent to Seireitei during the Vandenreich's of Soul Society. There, he fought Captain and stole her Bankai.

Equipment

 * Bankai Stealing Medallion: BG9 possesses a round, unnamed device which is roughly the size of a person's palm and has the Vandenreich insignia etched into its surface. When activated, the device can steal a currently released Bankai in the immediate vicinity, as evidenced when BG9 used the device to take Suì-Fēng's Jakuhō Raikōben.

Trivia

 * BG9 strongly resembles 's Hollow form.