Mimmi is a Northern mermaid who came to the southern pod with unusual knowledge and powers. She is born to a powerful mermaid named Nerissa and is the sister of Zac. She is sweet, and although inclined to be reserved – some would even say shy – is super-intelligent and gifted. She has an insatiable thirst for knowledge and is excited to be on land discovering everything she can about land people and their lives. She is one of the main characters and is played by Allie Bertram.