Was Zwei taught to fight?

Does he have a semblance?

Was he trained to aid huntsmen?

Did Tai yang get him specifically to aid in hunts?

Are there dog breeders out there specializing in dogs that can kick ass?

Do these breeders typically cater to huntsmen?

Is he intelligent enough for these tasks?

Does he have an advantage since grimm only attack humans?

Is zwei also a gun or does he have a squeaky toy that’s also a gun?

Is his food dish a gun?