Rikki Tail

Rikki Chadwick is one of main characters who became a mermaid in the Australian television series, H2O: Just Add Water. Along with Cleo Sertori and Emma Gilbert, Rikki discovered her powers after her trip to Mako Island. She also guest starred in the spinoff Mako: Island of Secrets. Rikki is portrayed by actress Cariba Heine.