Full name: Luna Denise Clark

Codename: Hydro

Age: 16 in the original chapters, 22 in the revised chapters and for the rest of the book.

Distinguishing Features: Wavy blonde hair, unlike her sister. Deep blue eyes. Otherwise identical to her sister.

Superpower: The ability to manipulate water, can envelope small quantities of her sister's darkness and control that, but only very small amounts.

Parents: Emma Clark (alias Sunshine), Gabriel Clark (alias Storm), Lyra Tinders, Maeve Tinders

Sibling(s): Twin sister, Madison Clark