Lithia

Lithia is the gatekeeper of Zenith's ocean portal, and Tecna's bonded selkie.

Physical Appearance
Lithia has green skin, with turquoise eyes, and pointed ears. She wears a hat that is a green spiral-shaped shell, with pink lines over it. She has a green tail with logical shapes, squares and triangles. Her hat also has a purple veil.

The symbol in her forehead is three circles in sharp triangle like formation. Those circles are connected to ring in middle of them, which has fourth circle inside.

Personality
She appears to speak in a logical tone like Tecna.

Season 5
Lithia first appears in guarding the ocean portal to Zenith when Tritannus appears and takes her powers away from her. She then finds the Winx and bonds with Tecna. Lithia follows them to the Databridge Castle.

Lithia is one of the selkies that had been attacked by the devourer.

Trivia

 * Lithia's name is a reference to lithium batteries, understandable since she's the Guardian of Zenith's gate, the world of technology and all things electronic and digital.
 * Both Lithia and Mirta are voiced by Natalie Lander in the Nickelodeon version. Yet, she made her voice higher for Lithia's voice.
 * Lithia is a play on the name Lydia.
 * She seemed the have most powerful attacks because whenever she attacks, her blasts are opaque while the others are not.
 * The symbol on Lithia's head is similar to the that of Dr. Manhattan's symbol in [http://The Watchmen The Watchmen].