Cleo Sertori
Basic Character Information
Gender: Female
Powers: Hydrokenieses


Combined Atmokinisis

The Tower Of Light

Siren Singing

Age: 18
Hair Color: Black
Eye Color: Black
Occupation(s): Mermaid
Aliases: Cleo

Cleo The Mermaid

Family & Friends
Family: Kim Setori

Bev Setori

Don Setori

Friends: Emma Gilbert

Rikki Chadwick

Bella Hartley


Zane Bennet

Will Benjamin

Sophie Benjamin

Relationships: Lewis
Enemies: Charlotte Watsford
Other Information
Interests: Swimming
Education: Local School
Season(s) Appeared in: 1-2-3
Series Information
Portrayed By: Phoebe Tonkin

Cleo Setori

Cleo Sertori is one of the main characters who became a mermaid in the Australian television series, "H2O: Just Add Water". Along with Emma and Rikki, Cleo discovered her powers after her trip to Mako Island. She was portrayed by actress Phoebe Tonkin. She would have never been a mermaid if she wasnt scared to swim becuase they waited a while so cleo would come into the water.