Haruki would scream and spray pepper spray at it and aim for the eyes, he might hold it the wrong way and spray himself. Or shrug and say he’s seen worse, and shows a pic of his ‘ugly disgusting rat baby’ of a dog Coco. There’s no in between, it’s one or the other

Maeve would probably would say anything to his face just awkwardly pat its head and head for the hills, or cuddle the cat and call it something like ‘Eyezore’ or ‘Teeth’ if the cat shows that it’s nice.