- “You could stick a tiara on a villain but... you're still a villain.”
- ―Uma to Mal
Uma is a main character and antagonist who is to appear in the upcoming sequel Descendants 2. She is the daughter of Ursula. She is the captain of a pirate crew and Harry Hook is her first mate. Uma is portrayed by China Anne McClain.
Uma is sassy, manipulative and ambitious.
Uma is a beautiful girl with brown-skin, and aqua, black-white braids, and sky blue-painted nails. Her primary outfit is a aqua leather top with multi-colored bands like a skirt, a purple translucent top, a aqua leather coat with gold details, and multi-colored bands on the shoulders, dark aqua pants with zippers, and brown boots with pearls, sea-stars, shells, and her pirate crew's symbolic pin. Her accessories consist of a black pirate hat with brown details, sea-stars, shells and her pirate crew's symbolic pin, black fingerless gloves with sea-stars, pearl bracelets, a sky blue bracelet with spikes, black and brown belts, a black band, and a sheath for her sword.
- Main article: Uma and Harry Hook
- Main article: Uma and Gil
- Main article: Mal and Uma
- "What's My Name" (with Harry Hook and Gil)
- "It's Goin' Down" (with Mal, Evie, Jay, Carlos De Vil, Ben, Harry Hook and Gil)
- "Kiss the Girl" (with Mal, Evie, Jay, Carlos De Vil and Harry Hook)
- "Uma" is the feminine form of number one in Portuguese.
- China Anne McClain, who will portray Uma, is known for providing the voice of Freddie Facilier, daughter of Dr. Facilier, in the animated short series Descendants: Wicked World.
- Uma has taken Mal's spot as self-proclaimed queen of the Isle.
- Uma's goal is to break the barrier of the Isle of the Lost and unleash all the villains once and for all.
- A prequel Serena Valentino Novel called Poor Unfortunate Soul was centered on her mother. Its revealed in that book that Ursula and Maleficent have a heated rivalry.
- Uma, Mal, Evie, Ben, and Freddie are the only characters to have solos.
- Unlike her mother, Uma has human legs instead of octopus tentacles.
- It could be because of her possession of Ursula's Necklace since Ursula used it to turn herself in to a human in the Little Mermaid.