Chief technology officer of Glowgen Defense Systems and the child of the former president and founder of the company. He was the winner of the 1st and 4th Bullet of Bullets tournament in Gun Gale Online as Subtilizer.
SpoilerPrimary antagonist of the War of the Underworld sub-arc of the Alicization Arc. In the Underworld, he is known as Vector, the god of the dark territories. Gabriel plans to steal the Soul Translator technology in order to create his own virtual world where he can analyze souls. In order to achieve that goal, he plans on hunting people with strong souls, especially the Sword Art Online survivors', and steal their Fluctlights.