From a human's prospective you are. You have likely had to field a number of questions about your existence to others who are not used to Monsters for that exact reason.

[Even from people who were used to skeletons probably had seen him as nothing but a shambling corpse in the beginning, rather than the Monster who liked puns rather than brains.

....odd that the event with those zombies hadn't put Chara off of bad horror movies.]

It is. On the other side, humans die fairly quickly without food. What about drinking?