Here's something obscure, you might never have heard: Marilyn Manson... rapping
This is a VERY early, very rare demo... https://www.youtube.com/watch?v=cJ7d79lkoUE&list=PLWEIBQBaaHwp9p3ne2koaPeBYQiIoc14nIt is the first in a long playlist of early spooky kids stuff.