Introduced in The Isle of the Lost Descendants • ''''
is the cousin of Carlos and the nephew of Cruella De Vil (101 Dalmatians''). • ''''
is the child of Horace (101 Dalmatians''), and is one of
Carlos' henchmen. • ''''
is the child of Jasper (101 Dalmatians''), and is one of
Carlos' henchmen. • ''''
is the son of Anastasia Tremaine and grandson of Lady Tremaine (Cinderella''). Cousin of
Dizzy. • ''''
is the daughter of Mother Gothel (Tangled''). She also hates Mal. • ''''
is the daughter of Claude Frollo (The Hunchback of Notre Dame''). • ''''
is the eldest child of Captain Hook (Peter Pan), and older sister of Harry, CJ and Hazel. She appears in the books The Isle of The Lost
and Rise of the Isle of the Lost''. • ''''
is the eldest child of Mr. Smee (Peter Pan''), and the older brother of
Squeaky and Squirmy. • ''''
is the daughter of Yzma (The Emperor's New Groove''), and the sister of
Zevon. • ''''
is the son of Aladdin and Jasmine (Aladdin''). •
Sea Witches are the possible relatives of
Ursula (
The Little Mermaid). •
Beelzebub is Carlos' pet cat, and the daughter of
Lucifer (
Cinderella).
Disney classic characters • ''''
(portrayed by Jamal Sims), from The Princess and the Frog'', is
Freddie,
Celia and
Felix's father. In the book
Isle of the Lost, he appears as the principal and one of the teachers at the school of the Isle of the Lost. In the films, he makes an appearance in
Descendants 3. •
Lady Tremaine| (portrayed by Linda Ko in
Descendants 3,
Julee Cerda in
The Rise of Red), from
Cinderella, is
Anthony and
Dizzy's grandmother, and
Ella's stepmother. In the book
The Isle of the Lost, she appears as one of the teachers at the school of the Isle of the Lost. In
Descendants 2, she can only be heard yelling at her granddaughter from the top of her hair salon. In
Descendants 3, she appears saying goodbye to her granddaughter when she leaves the Isle. A younger Lady Tremaine appears in
The Rise of Red, ordering Ella to do the housework. •
Mother Gothel|, from
Tangled, appears as one of the teachers at the school of the Isle of the Lost. She is
Ginny's mother. •
Yen Sid|, from
Fantasia, is a sorcerer who was sent to the Isle of the Lost by the
King Beast to apply a little kindness to the children of villains, serving as a science teacher at school. In
Return to the Isle of the Lost, he finds a secret club joined by the children of villains who want to change just like
Mal and her friends.
Introduced in Return to the Isle of the Lost • ''''
is the granddaughter of Madam Mim (The Sword in the Stone''). She and
Mal were best friends growing up. • ''''
is the son of Hades (Hercules''), and
Mal's half-brother. • ''''
is the son of King Arthur (The Sword in the Stone''). • ''''
is the son of Pinocchio (Pinocchio''). • ''''
is the son of Grumpy (Snow White and the Seven Dwarfs''). • ''''
is the son of Hercules and Megara (Hercules''). • ''''
is the son of Edgar Balthazar (The Aristocats''). • ''''
is the daughter of Tiger Lily (Peter Pan''). • ''''
is the daughter of The Ringmaster (Dumbo''). • '''''' is the son of one of the pirates of
Captain Hook's crew (
Peter Pan). Due to his name, he may be the son of Black Murphy.
Introduced in Rise of the Isle of the Lost • '''''' is the intern of
Yen Sid and
Lonnie's childhood friend. • '''''' is the niece of
Ariel and the daughter of one of Ariel's sisters (
The Little Mermaid). • ''''
is the son of Mulan and Li Shang (Mulan'') and
Lonnie's older brother.
Introduced in Escape from the Isle of the Lost • ''''
is the son of Robin Hood (Robin Hood''), and the older brother of
Robbie Hood. • '''''' is the snooty cousin of
Audrey.
Introduced in Beyond the Isle of the Lost: Wonderland • ''''
is a relative of the Cheshire Cat (Alice in Wonderland''), and a friend of
Red and Ace. • '''''' is a friend of
Red and Chester. • '''''' is the principal of Wonderland High. She is based on
the character of
Lewis Carroll's ''
Alice's Adventures in Wonderland''. • ''''
is the daughter of the Dormouse (Alice in Wonderland''). • '
and ' are the twin daughters of
Tweedledee (
Alice in Wonderland). • ''''
is the granddaughter of Caterpillar (Alice in Wonderland''). • '''''' is the nephew of the Cook (based on
the character of
Lewis Carroll's ''
Alice's Adventures in Wonderland''). ==Introduced in
School of Secrets book series==