Ondine

 is an upcoming character who will appear in Season 2 of Miraculous: Tales of Ladybug & Cat Noir. In "Syren", after Lê Chiến Kim ignores her, she is akumatized by Hawk Moth into Syren, a mermaid supervillain.

Physical appearance
TBA

Civilian attire
TBA

As Syren
As Syren, she has dark pink skin, with periwinkle freckles on her shoulders and elbows, and a periwinkle upper face with darker freckles. She has short pink hair, and two silver circular horns sticking out of the top of her head. Her eyes have pink irises, and blue sclerae. Her black strapless outfit with a purple splotch on the left side of her chest includes a fish-scale pattern in the fabric and a pink curvy line on the right side of her chest. Also, she has a pink fin sticking out from her back, and her feet connect together to make a two-pointed pink fin.

Personality
TBA

As a civilian
She's an excellent swimmer.

As Syren
TBA

Lê Chiến Kim
Her love interest and as seen in Syren. She is ignored.

Trivia

 * Her akumatized form was first revealed in a promotional video for Season 2 from TFOU.
 * Her names were revealed on April 12, 2018 by an article on Radiotimes.com of the UK.
 * Syren will reappear in the two-part special event "The Heroes' Day".
 * Ondine might be a reference to an Irish love drama about a selkie named Ondine who is fished out of a river by a French fisherman.
 * Her name and her akumatized form might be a reference to an Undine, a species of water elementals or water nymphs.

Concept art
Ondine pt-br:Ondine Ондин