We have some. Inferi, Zombies, Dementors, and some others. I haven't run into anything thus far, but I was killed by Inferi. I've heard there are Acromantulas and other dangerous creatures in the Forbidden Forest.
Once we had to defend against human-dinosaur hybrids on the cruise that was slowly turning everyone into..robowhatsitsrocyborg? mechanical...people. But that was not at home. Clearly.