Mermaid Kaia- A Duchess in the Assana Court and cast. Mermaid Kaia loves Bubbles! She loves to play in underwater vents and blow bubbles at passing fish. She sits on a large rock covered in seaweed and watches the bubbles as they rise. She wears bubbles around her neck and waist, and sometimes in her hair! Her friendly dolphins swim near by and keep a watchful eye on her. Sometimes they join in her playful mischief. She fights to keep them safe and help humans be aware of her intelligent and playful companions.