Mimmi is a natural-born Northern mermaid who was brought to the Mako Pod with unusual knowledge and powers. She is one of the main characters and is portrayed by Allie Bertram. Mimmi was born in the Nothern Pod to a powerful mermaid called Nerissa and is, just like her mother and brother Zac, a descendant from a royal line of merpeople who ruled the seas. Mimmi was only a hatchling when her brother, whose official merman name is unknown, was born, of which she does not have any memories. Not lon

Nixie was a main character in the first season of Mako: Island of Secrets. Nixie's character is very adventurous and loves playing around and sometimes gets into trouble because she can't stay still. After the first season she went away with Lyla and the pod to find a new home. She is portrayed by Ivy Latimer. Nixie's Page on H2O Universe wiki

Mako Island is a real island in the two popular television series' H2O: Just Add Water and Mako Mermaids. It's located approximately 50 km off the Gold Coast. Mako Island was formed by a comet that crashed into the Earth. One of the shards impacted near Ireland (Eire) forming the Sea Caves of Ireland. Other shards would have landed in other locations creating moon pools wherever they impacted. Mako Island has been around long before humans walked the earth and it will still be around long after

Mimmi is a natural-born mermaid with unusual knowledge and powers. She is one of the main characters in Mako: Island of Secrets and is portrayed by Allie Bertram. Mimmi was born in the Nothern Pod to a powerful mermaid and is a descendant from a royal line of merpeople who ruled the seas. Mimmi was only a hatchling when her brother, whose official merman name is unknown, was born, of which she does not have any memories. Not long after that, they were forced to flee to the Southern Hemisphere in

Cleo Sertori is one of the main characters in the animated series, H2O: Mermaid Adventures. Cleo was born in Dolphin City to her parents and few years later became an big sister to Kim. She became friends with Emma, Rikki and Lewis in grade school. Cleo's personality is also very similar to her H2O: Just Add Water self, meaning she is still more awkward and insecure compared to Emma and Rikki. She has a vast knowledge of all things ocean, which includes being able to name many of the creatures a

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Linda Ngo is an Australian actress who portrays Weilan in season 3. Born in Sydney, Australia, Linda Ngo's credits include the mini series "Catching Milat" (2015), series regular in the Australian TV show "Mako Mermaids" (2016), and the role of Sinn in Jane Campion's "Top of the Lake" (2017). In 2018 she voiced the role of Violet in the animated film "Maya the Bee: The Honey Games." In 2019 she starred in the film "The Furies." Linda also has extensive improv training from Theatresports in Sydne