Princess Ariel is the title character of the 1989 film The Little Mermaid, based on a fairy tale by Hans Christian Andersen. She is the fourth Disney princess. Ariel, a mermaid princess, longs for life in the human world as well as true love so she does everything to attain her desires — even to the point of trading her voice for the chance to experience life outside the sea. Here are more fascinating and entertaining facts about Princess Ariel!