I see Darth Vader in that, well, sorta, it reminds me of Darth Vader, let’s leave it there. It looks like that’s made of socks, a shirt and a tie maybe. Weird. Here’s some more examples:
I like the use of shadows for the eyes, very nicely done. Also, this looks like a shrunken head.
Not quite sure what that’s made from, but the redness, and large mouth remind me of red lips on a cartoon character, specifically Jessica Rabbit.
That’s clearly a mummy. The fact that it’s made from an White button down shirt kinda suggests the mummyness that happens to people when they get corporate jobs.
there’s a few more examples over here.