Tyson loves everyone and everything. :D
Harvey loves everyone. Friend/foe, intruders, murderers, everyone.
Well, until you knock on the door and ring the bell, he will let you hear his loud baritone bark warning you to stay away as the household is fully guarded. Now, if you make it inside, he'll probably lick you to death and let you have your way with my stuff.
It is all good.