h2o just add water

Appearances: Fire and Ice, Double Trouble, Emma Rebel, Hocus Pocus, Pressure Cooker, In Hot Water, Wrong Side of the Tracks, Riding for a Fall, Unfathomable, Treasure Hunt, Mermaid Monster, Camping on Mako Island, Cleo vs. Charlotte, Irresistable, Visions, The Heat is On, The Gracie Code (Parts 1 and 2), Then There Were Four, Bubble, Bubble, Toil and Trouble, Reckless, Three's Company, Sea Change, Finale.

Charlotte is the new girl in town and is the girls' rival during series two. She enjoys various forms of art and appreciates the sciences. She is friendly at first but becomes jealous of Cleo's...