Ariel Walsh is a premade townie featured in Isla Paradiso, from The Sims 3: Island Paradise. She can be made playable by marrying her, or asking her to move in. At the start of the game, she already has 7 points in Scuba Diving and has mastered Charisma. She also has five points in the foosball hidden skill and three points in the dancing hidden skill.
In terms of appearance and traits, she is possibly a parody of the main character of the 1989 film The Little Mermaid, though she is not a mermaid. Besides having the same name and a similar appearance, the main character of the film could also be considered to possess the technophobe, excitable, and friendly traits.