WalkoGunnar

WalkoGunnars are land-bearing shooters that use a visor to aim their energy blasters. The energy blasters in question are the model STYU-0985 ScorpionShooter

the WalkoGunnar can be coded to recognize faces they have a built in targeting software with a keyword; Fire! The WalkoGunnar will then target the nearest living thing that isn't the owner.