Kobatz

Cobert is one of the 10,000 players who were trapped in Sword Art Online and a lieutenant-colonel in the Aincrad Liberation Force.

Background
He is merciless and stubborn, driving his men to their limits, and forcing them to fight a difficult battle even when exhausted.

Sword Art Online
Cobert first appeared in Episode 09, leading a platoon of ALF players in the 74th Floor of Aincrad searching for the boss and later ran into Kirito, Asuna and the Fuurinkazan when he demanded the Black Swordsman the map data of the boss' location. He was killed by The Gleam Eyes after his party entered a boss room without appropriate preparations.

Cobert