Sirena is the considered the peacemaker between her friends. She has a beautiful soul and is a bit naive, but that can sometimes work in her advantage. Sirena's powers are Invisibility, Hydrokinesis, Hydro-Thermokinesis, Telekinesis and Siren Singing.
Lyla is the outcast of the group and struggles to join forces with her fellow mermaids. She has a fiery personality, which makes her very passionate and determined. Her powers are Hydrokinesis, Hydro-Thermokinesis, Telekinesis, Invisibility, Hydro-Cryokinesis, Aerokinesis and Volume Reduction.
Nixie is the mischief of the group. She is very headstrong, adventurous, and loves playing around, and sometimes gets into trouble because she can't stay still. Nixie's powers are Hydrokinesis, Invisibility, Telekinesis, Electrokinesis, Hydro-Thermokinesis, Volume Reduction and Atmokinesis.
Zac is a very strong young man. When he gains powers and a tail, he becomes even more strong, but doesn't loose his soft side. Zac's powers are Telekinesis, Hydrokinesis, Hydro-Thermokinesis, Invisibility and Volume Reduction.