Yes, a poisonous hammerhead worm. This is the stuff of nightmares, y'all. Not only is it disgusting, toxic and more than a foot long, it's also nearly impossible to kill — because if you cut it in half, it just regenerates itself! Actually, it turns out that all flatworms have the ability to become two different, genetically identical flatworms if they are cut in half. And that's terrifying. Also, why are we calling this a worm? I think once it reaches a foot long, it should officially be classified as a snake. Then again, those things in Dune are like...