User:Melonkelon/sandbox10

The following is a list and description of characters from the television programme H2O: Just Add Water.

Main characters

 * Cariba Heine as Rikki Chadwick, the new girl in town at the start of the show, who tends to be aloof and rebellious. Her power is the ability to control heat in water, ranging from warming to boiling, which eventually grows to allow control over fire and lightning. Heine appears in all series of the show.
 * Claire Holt as Emma Gilbert (series 1–2), who has a confident and responsible, if somewhat controlling, personality. She has the ability to freeze water, and later develops the ability to control clouds, ice and snow. Holt appears in series one and two, but left the show at the end of series two to film Messengers 2: The Scarecrow, with the character's departure explained as travelling the world with her family.
 * Phoebe Tonkin as Cleo Sertori, who at first is shy and a little awkward and does not like water, but eventually becomes outgoing and personable. She is able to control and mould the form of water, as well as increase or decrease the amount of water present. She is later able to control the wind. Tonkin appears in all series of the show.
 * Indiana Evans as Isabella "Bella" Hartley (series 3), the new girl in series three. She is a singer and performs at Rikki's cafe. Bella became a mermaid in the sea caves of Ireland when she was nine, and has the power to change water into gelatine and a crystalline substance. During the series, she and Will develop feelings for each other, and eventually become a couple.
 * Angus McLaren as Lewis McCartney, Cleo's childhood friend and later boyfriend who is academically gifted and thinks of himself as a scientist. He helps the girls keep their secret and works to understand how and why the girls transformed into mermaids. After appearing in both series one and two, McLaren left the show during the third series to begin filming Packed to the Rafters, but guest starred in the final episode of the show.
 * Luke Mitchell as Will Benjamin (series 3), a skilled swimmer and free-diver who is introduced in series three. While exploring Mako Island, he finds the moon pool and is attacked by the water, causing him to search for the cause of the strange event. He is Bella's love interest, and becomes closer to the girls once he discovers they are mermaids.

Supporting characters

 * Burgess Abernethy as Zane Bennett, who is the arrogant local bad boy. In series one, he becomes obsessed with discovering the identity of the mermaids after catching a glimpse of one. Later, he develops an on-again, off-again relationship with Rikki.
 * Brittany Byrnes as Charlotte Watsford (series 2), the new girl who becomes the main antagonist of series two. She enjoys the arts and sciences, but can be controlling and manipulative. She comes into conflict with the girls, especially Cleo, when she begins to date Lewis subsequent to his break-up with Cleo. Upon transforming into a mermaid, she obtains all of the girls' collective powers, but permanently loses her abilities after a confrontation with the trio. She does not return in series three.
 * Craig Horner as Ash Dove (series 2), a keen equestrian and riding coach who appears during series two. He forms a relationship with Emma, but does not learn of her being a mermaid until the season finale, when Emma reveals her identity. Horner does not appear in series three due to filming Legend of the Seeker.
 * Taryn Marler as Sophie Benjamin (series 3), an ambitious and driven character who becomes the main antagonist of series three. She is Will's older sister and takes an immediate dislike to Bella because Sophie sees her as a threat to Will's success as a free diver. She becomes a manager in Rikki's cafe and does as much as possible to cause grief for the mermaids, including destroying Zane and Rikki's relationship. She also tries to get her brother Will to go against Bella by saying she is a distraction.

Other

 * Don Sertori (Alan David Lee) is Cleo's father.
 * Charlotte Watsford (Brittany Byrnes.