I believe the most useless EVER are the Marines in Halo (2 mainly).
When they are in the turret, they focus on anything BUT the enemy, e.g. fish or passing butterflies.
When they drive, they hit a wall and stay there long enough to get blown to a pile of giblets.
When they are in the turret, they focus on anything BUT the enemy, e.g. fish or passing butterflies.
When they drive, they hit a wall and stay there long enough to get blown to a pile of giblets.