Claudine Frollo is the daughter of Judge Claude Frollo and she appears in Isle of the Lost: A Descendants Novel and its sequel, Return to the Isle of the Lost .
Claudine first appears in the novel as the bell ringer of Dragon Hall. She is seen from the bell tower by Mal and Jay as they make their way to school. Her bells ring throughout the whole island.
Claudine appears once again in the sequel novel. She is first seen entering the Evil Queen's cellar on her way to the Anti-Hero club meeting.
She cheers when Mal, Evie, Carlos and Jay arrive at the Anti-Hero Club's meeting. After indulging in some cake, she is sent along with the rest of the Anti-Hero club to scour the Isle for the Talismans of Evil to no avail. However after Mal discovers the underwater passage, she participates in the search for the land entrance. She looks over the beach near Rickety Bridge but discovers nothing.
- She was introduced in Chapter 2, 'A Willy Theif...' of the Isle of the Lost: A Descendants Novel.
- She first appears from Chapter 24, 'A Warm Welcome?' of Return to the Isle of the Lost: A Descendants Novel.
- Freddie Facilier comes across her father's hat in Dr. Facilier's store in the 21st episode of Wicked World, "Pair of Sneakers".