Sure they can! The emotes we have are proof of that!
But seriously, it depends what the person considers as cute. A person who may have had a frightening experience with a dog as a child may grow up still in fear of them, and may also extend that to werewolves and not like them. Of course, that's not a common case. A person may just not care for canids and their definition of cute isn't even given a chance to be applied to werewolves.
As it was said previously in the topic, it not only depends on the individual, but the situation and the combination of these two as well. A werewolf gunning straight for you will probably make you wish you were anywhere but there. A werewolf cheerfully grinning at you (not because he's hungry) may look cute and pettable.
What also needs to be considered is how they are shown, as in are they realistic and drawn with paint, or are they like a cartoon character and drawn using those respective materials? Personally, I definitely feel they can look cute in either medium if they want to. However, I feel it takes more effort to focus the animation or picture on realism over cuteness, and so if they come out looking realistic AND cute (regardless if cute was a secondary focus or not) at the same time, then that's an added cute bonus that cannot be applied to cartoon werewolves.
Oh and on the subject of teeth and fangs, since they add realism, I feel they add to picture. So unless they're being used to kill somebody, they CAN add to the cuteness.
I've actually run into a fair number of pictures that had realistic and cute werewolves with visible fangs. I don't know if I'm allowed to link to them for exemplifying purposes without artist permission though.
)..cute....
)
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