The worm on the left has a different style of stripes on the front end than on the back end. Why? What does the bulge in the middle do? Is it digestive? Reproductive? Is it possible that this picture is actually two worms mating posterior-posterior such that they meet at the bulge? If so, why do they have such different feeding appendages? What do they eat?
The object in the middle was going to be a worm, but instead ended up looking like a cocoon or a piece of scat. I almost never know where I'm going with my doodles. I just draw one line at a time until it starts to look like something and then that tells me where to put the next line.