グラ

One of the Black Knights, whose figure is a giant male humanoid with a club as its weapon.
Being an apostle of Index and a subordinate of Georgius of the Rainbow, he fought with the other members of the Punishment Squad against Liselotte in the past; and although he perished, Gula was revived afterwards by Misao using a artificial body.
His Index name is "Samson of the War Hammer".