Meet the spiny orb weaver. Now, good ol' Spiny up there doesn't need to dress up as anything scary; it's a spider. Just by existing, it has already made the world a slightly worse place. Instead, SOW likes to dress up in a fashion that honors its nerdy Nintendo fandom:
We checked three times to make sure this wasn't a portrait of Michael Fassbender.
That's a Skulltula from the Legend of Zelda series. If you don't recognize the character, try picturing it dropping down from the ceiling right as you prime yourself for a difficult jump, causing you to clumsily fall down a pit and start over from a checkpoint 20 minutes back. Although Skulltula is its technical name, you may know it better simply as "You rotten bastard!"
Or maybe we're giving it too much credit. Maybe the orb weaver doesn't have much of an imagination and it's just going as some lame regular skeleton, like the guys who go to Halloween parties as "a mummy" or "a Dracula." Maybe it's a Misfits fan. Heck, maybe it digs the prequels and just screwed up the Darth Maul makeup:
This is the one living creature who appreciated George's vision.