The unnamed worm is a worm who makes a cameo appearance when it gets crushed by a sandwich in the episode "Karate Choppers."
It is an olive-green worm with white eyes and black pupils. It is fairly small and lives underground in his grayish-tan sand hole. It is not like any other worms that have been seen on the show because it is a brown worm and is quite small compared to the other worms.
Role in episode
The worm gets annoyed and gets out of its hole to see what all the fuss is about and finds out it is just a bunch of sandwiches. It eventually gets hit by one of them.