Disney Ariel's Collection Girls T-Shirt Next time you head down under the sea with Ariel and her friends, be sure to get dressed in your best with a Disney The Little Mermaid T-Shirt! All your favorite characters like Ariel, Flounder, Scuttle, and Ursula are here to join you on the adventure of a lifetime with a fun The Little Mermaid design! Runs small, size up.