Princess Skystar

Princess Skystar is a female seapony who appears as a supporting character and is Queen Novo's daughter in My Little Pony The Movie.

Depiction in film
"Energetic Daughter of Queen Novo"

According to her voice actor, Kristin Chenoweth, "Let’s just say she’s been locked up for a while and is longing for friends."

IDW comics
My Little Pony Friendship is Magic Wiki:Workshop/My Little Pony The Movie Prequel.

Merchandise
Toys. Princess Twilight Sparkle & Princess Skystar: "They're happy to be friends!"

Costume.