Neighthan Rot is a hybrid monster, born from a Zombie father and a Unicorn mother.
Despite being incredibly clumsy and prone to falling over, he always puts on a smile and is incredibly friendly towards others. Operetta is the daughter of the Phantom of the Opera.
Catty Noir is a werecat, and one of the most famous pop stars in the monster world.
Unlike most vampires, she is vegan and prefers not to drink blood.
But attending Monster High finally gives her a chance to be herself…
Heath Burns is a showoff with a proclivity for bragging. He's a talented DJ and often supplies the music at school parties. She first appears in the movie Scaris: City of Frights.
His hotshot attitude is rather off-putting to the others, and he usually ends up looking foolish because of it. Henry Hunchback is a boy with a severe hunchback, and one of the new students staying at Monster High's dormitories. Howleen Wolf is Clawdeen, Clawd's, and Clawdia's younger sister. He is able to turn invisible at will, and loves to use his powers to play practical jokes on the other students. Kieran Valentine is a suave, handsome vampire who once dated Draculaura. Manny Taur is a minotaur and Monster High's resident bully.
She appears in the TV special Welcome to Monster High.
Avea Trotter is a hybrid monster, born from a Centaur father and a Harpy mother.
A very strong willed and short tempered ghoul, she does not take insults toward her and her friends lightly. Bonita Femur is a hybrid monster, born from a Moth monster father and a Skeleton mother.
Sweet and kind natured, she has a tendency to get nervous, and chews through clothing, usually her own, to calm herself down. Bram Devein is a vampire and the leader of the students from Belfry Prep who join Monster High in Fright On! Along with his girlfriend Gory Fangtell, he sets out to establish the vampires as the superior students in school.
Gil was first seen in the webisode "Blue Lagoona" as the object of Lagoona Blue's crush, and later started a relationship with her.