To make reading easier, this page is split up in six sections:
The Ghoulfriends - The franchise's main crew, consisting of the seven most featured female characters, both fiction-wise and doll-wise. These seven also often interact closely within the fiction.
Monster High students - The Monster High student body minus the ghoulfriends, which makes up most of the primary cast of Monster High. This section includes former backgrounders and semi-backgrounders, as well as characters exclusive to the Ghoulfriends book series.
Other students - Characters who attend high school, but who do not attend Monster High. Most of these characters only appear once in the fiction, but the section also contains students who have not been confirmed to attend Monster High yet or who have left Monster High. On top of that, the section includes characters exclusive to the Monster High book series.
Former students - Characters who are not high school students, but are not quite adults yet. These characters are usually around 19 years old.
Younger Siblings - Younger siblings of the main cast who are not yet old enough for high school. These characters were introduced in the Monster Family line.
Celebrity Monsters - Characters based on real-life celebrities and personalities, who have collaborated with Monster High to promote their organizations.
All characters within a section are listed alphabetically.
Abbey Bominable is the daughter of the Yeti. An exchange student from the mountains, she tends to be very upfront and direct with her opinions, but is a good friend to all. Her pet is a wooly mammoth named Shiver.
Clawdeen Wolf is the daughter of a Werewolf. Confident and fierce, she is considered the school's resident fashionista, and dreams of becoming a fashion designer. Her pet is a cat named Crescent.
Cleo de Nile
Cleo de Nile is the daughter of the Mummy. She is the fearleading squad captain and is considered to be a mean girl, but she does have a heart of gold that all those close to her can attest to. Her pet is a snake named Hissette. She is also dating Deuce Gorgon.
Draculaura is the daughter of Dracula. Unlike most vampires, she is a vegetarian and prefers not to drink blood. She is incredibly sweet and friendly, and always eager to make others happy. Her pet is a bat named Count Fabulous.
Frankie Stein is the daughter of Frankenstein's Monster. Having been alive for only a short time, she is incredibly eager to learn more about the world around her, and is always ready to try new things with her friends. Her pet is a dog-like creature named Watzit.
Ghoulia Yelps is the daughter of a Zombie. Although she can only speak in moans and grunts, she is incredibly intelligent, and is always using her genius to help out the school and her friends. Her pet is an owl named Sir Hoots A Lot.
Lagoona Blue is the daughter of a Sea Monster. Always laid back and relaxed, she loves swimming and surfing, and usually has good advice for all her friends. Her pet is a piranha named Neptuna.
Monster High students
Amanita Nightshade is a plant monster born from the Corpse Flower, which only blooms every 1300 years. While she believes herself to be the most beautiful and charming monster of all, in reality she is incredibly selfish and obnoxious.
Andy Beast is a monster who has lived on a deserted island for most of his life, due to transforming into a giant beast whenever he feels anxious. He appears in Escape From Skull Shores.
Ari Hauntington is a ghost pop star who has spent most of her career disguised as a human named Tash. But attending Monster High finally gives her a chance to be herself… 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. She first appeared in Freaky Fusion.
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. She first appeared in Freaky Fusion.
Catrine DeMew is a werecat who is a skilled sketch artist, and is always looking for an opportunity to create art. She used to live in Scaris, but has recently transferred over to Monster High.
Catty Noir is a werecat, and one of the most famous pop stars in the monster world. Having performed on stage ever since she was young, Catty has decided to take a break from singing and attend Monster High as a regular student.
One of Clawdeen's older brothers, Clawd Wolf is pretty down to earth and straight to the point. He is on the football and casketball teams at Monster High. He dated Cleo de Nile before she went out with Deuce, and is now the devoted boyfriend of Draculaura.
Crystal is an ice sprite introduced in Welcome to Monster High. She used to live trapped in a giant block of ice, but luckily was rescued by the Ghoul Squad.
Cy Clops is a Cyclops, and one of the new students staying at Monster High's dormitories. He's a shy, quiet character who likes to stay in the background, but when the school is threatened by Sylphia Flapper, he steps up to help Robecca, Rochelle and Venus save the day. He also develops a crush on Robecca Steam. He appears in the Ghoulfriends book series.
Dayna Treasura Jones
Dayna Treasura Jones is the daughter of Davy Jones. As a spirit of the sea, she can navigate any ocean, and loves to search for treasure.
Dee O'Gee is a werewolf who previously went to Crescent Moon High, but now goes to Monster High. He's the werewolves' tough guy, acting as a secondary leader and enforcer to other dominant wolves that use their brains more than their brawn, such as Romulus and Howleen.
Deuce Gorgon is the son of the gorgon, Medusa. He likes to skateboard and is interested in cooking. He wears sunglasses to prevent turning other people to stone temporarily. He is in a relationship with Cleo de Nile. His pet is a rat named Perseus.
Finnegan Wake is a merman who, due to possessing a tail instead of legs, gets about school in a wheelchair. Despite this, he refuses to let this stop him enjoying life to the fullest, and is usually seen tearing around the school at high speed performing dangerous stunts.
Gigi Grant is the daughter of a genie, who lives within a magic lamp hidden in Monster High's attic. She has the power to grant 13 wishes to whoever finds her, and greatly enjoys helping her finders. However, there is a dark side to her powers... She appears in the TV special 13 Wishes.
Gilda Goldstag is the daughter of the Golden Hind. She serves as the treasurer of Monster High's student council.
Gillington "Gil" Webber
Gillington "Gil" Webber is the son of the River Monster. He wears a helmet containing water on his head when he is on dry land. Gil was first seen in the webisode "Blue Lagoona" as the object of Lagoona Blue's crush, and later started a relationship with her.
Gob is a slime creature with an insatiable appetite, and is constantly looking for things to snack on. He appears in the TV special Welcome to Monster High.
Gooliope Jellington is a 15-foot tall blob creature who was born in a lab. She was abandoned on the doorstep of a circus when she was a baby, and has been raised by the circus' performers ever since. She enjoys performing, but is nervous about the world outside the circus.
An arrogant fire elemental whose head catches on fire when he becomes excited or crushes on someone. Heath Burns is a showoff with a proclivity for bragging. His hotshot attitude is rather off-putting to the others, and he usually ends up looking foolish because of it. He is the cousin of Jackson Jekyll.
Henry Hunchback is a boy with a severe hunchback, and one of the new students staying at Monster High's dormitories. He's a cheery, excitable guy who is a great fan and admirer of Coach Igor. He appears in the book series Ghoulfriends.
Holt Hyde is the son of Mr. and Mrs. Hyde and the alter ego of Jackson Jekyll. The total opposite of Jackson, Holt is loud and excitable, always looking for an excuse to party and get wild. He's a talented DJ and often supplies the music at school parties. He has a huge crush on Frankie Stein.
Howleen Wolf is Clawdeen, Clawd's, and Clawdia's younger sister. She and Clawdeen share a room and while they love each other dearly, this situation also pushes every bit of rivalry and irritation that exists between their headstrong personalities. She has a pet hedgehog called Cushion.
Invisi Billy is the son of the Invisible Man. He is able to turn invisible at will, and loves to use his powers to play practical jokes on the other students. He has recently started dating Scarah Screams.
Iris Clops is a cyclops who was a former member of the Fear Squad as well as former Scream Queen. She is in a relationship with Manny Taur.
Jackson Jekyll is the son of Dr. and Mrs. Jekyll. He is a human (or normie) who is usually mild mannered and studious. But thanks to his half-monster heritage, he transforms into the rowdy Holt Hyde whenever he hears loud music. He is quite close with Frankie Stein.
Jane Boolittle is a mysterious monster who has lived in the jungle for most of her life, being raised by her scientist father, Dr. Boolittle. She possesses the ability to talk to animals, and due to her upbringing, finds it easier to talk to them instead of other people.
Jinafire Long is a dragon from Fanghai, China. She is an aspiring fashion designer who takes her craft very seriously, and tends to lose her temper easily. She first appears in the movie Scaris: City of Frights.
Johnny Spirit is Monster High's resident bad boy rebel, who returns to classes after a 3000 year long detention. Despite his tough nature, he's actually a skilled musician.
Manny Taur is a minotaur and Monster High's resident bully. He regularly picks on and insults the zombies and weaker students, but underneath his tough exterior he has several insecurities of his own... He is currently in a relationship with Iris Clops.
Moanica D'Kay is a 15-year-old zombie with a severe hatred of humans. She plots to overthrow the human world with an army of zombies, and thinks Monster High would be a perfect place to find more recruits... She appears in the TV special Welcome to Monster High.
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. He first appeared in Freaky Fusion.
Operetta is the daughter of the Phantom of the Opera. She is a talented musician, but also a bit of a diva. Her parents moved to Gnarleston when she was young, where she picked up the local "twang" and a love for country music. Her pet is a spider - Memphis "Daddy O" Longlegs.
The Perfect Guy
The Perfect Guy is a character whose face is never seen. He wears a letterman's jacket. He solely appears in "Horrorscope" as the object of Draculaura's crush.
Robecca Steam is a steam-powered robot created a hundred years ago by famous scientist Hexiciah Steam. She was dismantled in an accident while competing in a game of Roller Maze, and was rebuilt in the modern day. Her pet is Captain Penny, a robot penguin.
Rochelle Goyle is a gargoyle from Scaris, France. While she is very friendly toward others, she is also a stickler for rules and conduct, which can sometimes rub her friends the wrong way. She has a gargoyle pet griffin named Roux.
Romulus is a werewolf, and the leader of the students from Crescent Moon High who join Monster High in Fright On! A firm but fair leader, he helps his fellow Werewolves stand their ground against the Belfry Prep students. He is also a childhood friend of Clawd Wolf.
Rose and Blanche Van Sangre
Rose and Blanche are twin vampires from Romania, who are new students staying at Monster High dormitories. As they are Romani vampires, they insist on sleeping in the same place no more than three nights, often sneaking into other students' rooms to sleep. They get offended if people call them identical, as they insist one twin has shinier hair than the other. They appear in the book series Ghoulfriends.
Scarah Screams, is a banshee from Ireland. A very kind and friendly student, she possesses psychic powers, and prefers to talk to others using telepathy. She has recently started dating Invisi Billy.
Silvi Timberwolf is a young gray werewolf who has recently joined Monster High. She loves music, and decides to start a band with some of the other students. She first appears in the movie Electrified.
Simon Clops is a rarely seen and extremely tall cyclops. He's a member of the casketball team.
Sirena Von Boo
Sirena Von Boo is a hybrid monster, born from a Ghost father and a Mermaid mother. She tends to daydream a lot, and usually drifts off into her favorite pastimes of exploring the ocean and finding antiques. She first appeared in Freaky Fusion.
Sloman "Slo Mo" Mortavitch is a zombie, and a member of the school Casketball and Chess teams. Like most zombies he's rather stoic and slow moving, but he's good natured and far smarter than most people assume. He is currently dating Ghoulia Yelps.
Spectra Vondergeist is the daughter of a ghost couple. She writes an anonymous gossip blog called the Ghostly Gossip, and an advice column for the Monster High student newspaper, and as such is a bit of a rumor-monger. As a ghost herself, she can float and pass through walls. Spectra has a pet ferret named Rhuen.
Teala is a troll who lives under a bridge. She has only been mentioned in Toralei's 'Campus Stroll' diary, in which she is telling the werecat about how her boyfriend has treated her.
Three Headed Freddie
Three Headed Freddie is a boy with three heads, and one of the new students staying at Monster High's dormitories. He has a habit of blurting out his thoughts unexpectedly. Each of his heads speak at the same time, but each one speaks in a different language. He even reads multiple versions of the daily newspaper in different languages. He appears in the book series Ghoulfriends.
Toralei Stripe is a werecat, and former member of the Fearleading squad. Cunning and mischievous, she loves to annoy and rile up others by playing tricks on them, particularly Cleo de Nile and her friends. Her pet is a sabertooth tiger named Sweet Fangs.
Twyla is the daughter of the Boogie Man. She is shy and misunderstood, hiding under normies’ beds to capture their nightmares rather than adding to them like her dad. She has a pet called Dustin.
Venus McFlytrap is the daughter of a plant monster. Always loud and outspoken, she is an avid environmentalist, and is always encouraging others to take better care of the earth and her fellow plants. Her pet is a flytrap plant called Chewlian.
Woolee is a large, furry yeti-like monster who leaves her frozen cave to join Monster High. She appears in the TV special Welcome to Monster High.
Wydowna Spider is an arachne who loves to get involved with various creative projects, using her multiple arms to multitask on several things at once. Her pet is a large housefly named Shoo.
Astranova is an alien ghoul who travels through space in a comet, which passes by Earth every 1300 years. She appears in the TV Special Boo York, Boo York.
Batsy Claro is an exchange student from Costa Shrieka, visiting Monster High on an exchange program. She is the daughter of a white vampire bat. She is fiercely protective of her jungle home, and will go to any lengths to protect the plants and creatures that reside there.
Billy Phaidin is the invisible RAD introduced in the first book. He took a shine to Frankie and became one of her best friends, agreeing with her about RAD-Normie equality. It wasn't long before he developed a crush on Frankie and it wasn't long before they decided to just be friends. Billy is sarcastic, laid-back and loves to pull pranks. He strongly supports equality, and was a founding member of NUDI.
Brett Redding is a character from the Monster High book series. He is introduced as Bekka Madden's boyfriend, but eventually ends up dating Frankie instead. He is one of the first students of Merston High to befriend the monster students, and helps Frankie and Melody in their quest to make the monsters accepted.
Candace Carver is Melody's confident older sister. Though her constant optimism irritates Melody, her advice is, more often than not, extremely useful. A huge flirt herself, Candace rarely keeps a relationship and looks at dating as more of a game than anything. She is one Billy Phaidin's best friends and gave him the idea of visibility.
Chad is a student at New Salem High, and a close friend of Clair. He's an extremely friendly guy, with some rather unique dance moves. He befriends Frankie and her friends in "Ghouls Rule" and helps them become accepted by the other humans.
Clair is a student at New Salem High School. She likes to dress in a dark, Goth style, and isn't very fond of Halloween. She befriends Frankie and her friends in "Ghouls Rule" and helps them out in their quest to save Holt.
Djinni "Whisp" Grant
Djinni "Whisp" Grant is Gigi Grant's shadow, brought to life by a wish made by a finder who wanted Gigi to have a friend while inside her magic lamp. But having grown resentful of Gigi constantly leaving her alone to grant other people's wishes, she devises a wicked plan to make herself more powerful... She is the antagonist of "13 Wishes".
Elle Eedee is a high tech robot ghoul who lives in Boo York. She loves music, and often takes to the streets to perform her songs with her holographic DJ deck. She appears in the TV special Boo York, Boo York.
Fawn is a faun who discovered Gigi Grant's lantern a hundred years ago. She befriended her but caused her to use the magic mirror because of Whisp.
Garrott du Roque
Garrott du Roque is Rochelle Goyle's boyfriend, who remains in Scaris while Rochelle goes to Monster High. They were very close to each other, but Garrott mysteriously stops writing to Rochelle, which makes her wonder what's happened to him....
Isi Dawndancer is an exchange student from Boo Hexico, visiting Monster High on an exchange program. She was lead to the school by a vision. She is the daughter of a deer spirit, and loves to dance whenever the opportunity arises.
Kala Mer'ri is a kraken who lives in the Great Scarrier Reef. Loud and outspoken, she strives to be the center of attention, and isn't above insulting and pushing others around to get what she wants. She appears in the TV special Great Scarrier Reef.
Kiyomi Haunterly is a student at Haunted High. She is a Noppera-Bo (Faceless Ghost), who is able to change her appearance based on her emotions. She appears in the TV Special Haunted.
Kjersti Trollson is an exchange student from Goreway, who came to Monster High on an exchange program. She is the daughter of a family of trolls. She is an avid video gamer, and spends most of her time challenging other players online.
Lorna McNessie is an exchange student from Rotland, visiting Monster High on an exchange program. She is the daughter of the Loch Ness Monster, but unlike her famously camera-shy parents, she loves to appear in pictures, and usually photobombs other people's photos.
Luna Mothews is a moth woman who aspires to become a performer on the Bloodway stage. To achieve her dream, she has moved from her home in Boo Jersey to Boo York. She appears in the TV Special Boo York, Boo York.
Marisol Coxi is an exchange student from Monster Picchu, visiting Monster High on an exchange program. She is the daughter of the Maricoxi (South American Bigfoot), and is very loud and proud of herself, particularly of her small feet, despite being a bigfoot type monster.
Melody Carver is a human girl, and a main character of the Monster High book series. After moving to Salem with her family, she befriends Frankie Stein and decides to help her achieve her goal of making Salem's monster population be accepted by the rest of the townsfolk. This leads to Melody discovering a shocking truth about her past...
Mouscedes King is a rat ghoul, and the daughter of the Rat King. She considers herself Boo York royalty, and loves to use her family's wealth to enjoy the finer things in life. She appears in the TV special Boo York, Boo York.
Peri and Pearl Serpentine
Peri and Pearl Serpentine are the twin daughters of the Hydra. Despite sharing the same body, the two are very different from each other, which often results in arguments between the two. They appear in the TV Special Great Scarrier Reef.
Porter Geiss is a student at Haunted High. He is a poltergeist who loves to paint, and when inspiration strikes he'll use spraypaint to paint on the nearest blank surface he can find. He appears in the TV Special Haunted.
Posea Reef is the daughter of Poseidon. A goddess in training, she cares deeply about all the creatures of the ocean, and will do anything in order to help them. She appears in the TV Special Great Scarrier Reef.
River Styxx is a student at Haunted High. She is the daughter of the Grim Reaper, but unlike her morbid father, she loves bright colours, candy, and throwing parties. She appears in the TV Special Haunted.
Rocco is the captain of Granite City High's Skulltimate Roller Maze team. An extremely thuggish and rowdy player, he'll resort to any tactics in order to win. He appears in "Friday Night Frights".
Seth Ptolemy is the son and heir of the Ptolemy family, the most powerful dynasty in Boo York. Unbeknownst to his family, he has a secret passion for music. He appears in the TV special Boo York, Boo York.
C.A. Cupid, full name Chariclo Arganthone Cupid, is the adopted daughter of Eros/Cupid. She first appeared as part of the Sweet 1600 line and stayed at Monster High until the first half of 2013, at which point she switched schools to Ever After High and became part of the Ever After High franchise.
Casta Fierce is the daughter of Circe, who is the lead singer in a famous pop band. She is acquainted with Catty Noir, and is known for her band "Casta and the Spells".
Clawdia Wolf is the older sister of Clawd, Clawdeen, and Howleen. She is going to college in Londoom with the aim to become a writer. Clawdia has a great sense of humor, and even though far apart from her family, video chat allows her to stay in close contact with them.
Kieran Valentine is a suave, handsome vampire who once dated Draculaura. Although he appears to be a charming ladies man, secretly he is very cruel and narcissistic, and more interested in breaking girls' hearts than loving them... He appears in Why Do Ghouls Fall in Love?.
Nefera de Nile
Nefera de Nile is Cleo's older sister. Arrogant and selfish, she loves putting others down to make herself feel superior, especially her sister.
Victor Frankenstein is the well known mad scientist who created Frankie Stein's father. But 200 years ago, he was an exchange student at Monster High, hoping to discover the secret of creating life... He appears in Freaky Fusion.