Well, they are. It's just that usually, they're covered up by various muscles and internal organs and wrapped up in skin and -- at least in some circumstances -- clothes. But in the world of horror comics, that is not the case!
Yes, for the world of four-color thrills, there is no greater harbinger of terror than that moment where something is actually a skeleton!!, also known as one of my favorite things in comics. That's why today, on the eve of Halloween