If you jump on the bounce pads around here in a certain way, you can get the camera to clip out of bounds, and you can see this loaded... skull thing... As far as I remember, this isn't used elsewhere? Am I misremembering and this is the design of the Undead Source? Don't know why it'd be here in Crawling Catacombs.
This is on the Wii version (captured with Dolphin, but I found it in the first place on an actual Wii lol).
Just thought I would post a small fun thing here. This one in particular intrigued me and is probably more entertaining than segment skips I found with

.