Celina

Celina is a mermaid from Andros. She is the Mermaid of the Sweet Song. She is good friends with Kalia, Tala, and Tressa.

Mermaid
Celina has long violet hair with a fringe and a comb decorated with stones and pearls. Her eyes are light green and she wears an eye shadow of a mauve sweet. Her brassiere is yellow and spangled and tied in her neck by a garland of sea flowers. She wears green mittens adorned with pearls and a long yellow with sequins, of simple form, adorned with a green veil, itself adorned with jewels.

Mutant
Her nostrils, canines teeth and her bones are more prominent. Her tail and violet becomes a darker shade and her skin gets paler. Her brassiere is now squared, light blue and divided in the middle with a dark blue circle in the left and a strip in the right side. Instead of mittens she wears light blue hand cuffs with three spikes each, and dark blue shoulder pads.

Personality
Celina is a very gentle and sweet mermaid. She is also very innocent and fearful. Like Musa, Celina loves to sing and is known for being the mermaid with the most harmonious voice. Her short yellow wings produce a soft sound, accompanied by her songs.

Season 3
Celina is one of mermaids rescued by Aisha; the other being Kalia. She is later revealed to have been captured by Valtor and turned into a mer-monster with other mermaids who Valtor transformed. After Valtor's defeat, she returns home to the Underwater Kingdom, where she greets by her friends, Kalia, Tala, and Tressa, leading all of them to dance, rejoicing over their regained freedom.

Books
In Perle, Vires kidnapped Tala, Kalia, Celina and other mermaids and transformed them into black pearls capturing their vital energy. They were released and transformed back by of Ligea's sacrifice.

In Magic Ocean CD's book, she answers Stella saying that the Fortune Teller Book only speaks with fairies who ask questions in their birthday. Tala, Kalia and Celina, among other mermaids, they disappear, imprisoned by Vires, being freed by the Winx in the end.

Trivia

 * In the books Sirene, Perle and Magic Ocean she is called Nesia.