In the live-action movie, it has a white head with yellow eyes and blue-green lips inside the striped grayish black and white body skin with red eyes.
In the animated series, it has a striped light and dark purple body skin with four yellow eyes and green lips.
PersonalityWhile sandworms don't speak, there is an interesting cartoonish reaction when one is hit. Seems as through they have the personality like a dog.
Sandworms live in sand all their lives. Nothing more.
There are real sandworms, but they are nothing like their movie and cartoon counterparts.