Harry Potter and the Half-Blood Prince Characters Role with Basic Details 

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Harry Potter

The protagonist of this book and the series is Harry Potter. While his sworn nemesis Voldemort prepares to wreak havoc on all non-pure-blooded wizards, he is a sixteen-year-old with a great deal of responsibility weighing on his shoulders. Harry must conquer the challenge of battling Voldemort and his Death Eaters with the assistance of his trusted guide Albus Dumbledore and his pals Ron and Hermione. In ‘Harry Potter and the Half-Blood Prince,’ Harry is also introduced to a textbook attributed to the ‘Half-Blood Prince,’ which earns him many accolades in Slughorn’s potions class. Also, Harry and Ginny Weasley end up getting together.

Hermione Granger

Hermione Granger is Ron and Harry’s closest friend. She ranks first in her class and is regarded by many as the most intelligent witch of her day. She is pretty resourceful and assists Harry and Ron with their studies and in escaping perilous circumstances. Like Harry and Ron, she is in her sixth year and a member of the Gryffindor house. She is also an esteemed member of the Slug Club, which Horace Slughorn created for a select group of pupils with whom he wishes to mingle. Hermione and Ron Weasley finally become romantically involved in this novel.

Ronald Weasley

Ronald Weasley is the youngest son of Arthur, Molly Weasley, and Harry and Hermione’s best friend. He is one of the most amusing characters in the entire book series. In “Harry Potter and the Half-Blood Prince,” Ron is eventually selected for the Quidditch squad and performs admirably as the keeper. Early in the year, he begins seeing Lavender Brown but eventually falls in love with Hermione and breaks up with Lavender Brown to be with her. Ron is also mistakenly poisoned by a bottle of oak-aged mead intended as a gift for Dumbledore, but Harry saves him by placing a bezoar in his mouth.

Albus Dumbledore

Albus Dumbledore is the headmaster of Hogwarts and one of the greatest magicians ever. Many believe that Dumbledore is the only wizard that Voldemort truly fears, as he is the most formidable obstacle to his expanding authority. In “Harry Potter and the Half-Blood Prince,” Dumbledore teaches Harry many mysteries about Voldemort, like as his childhood, the Horcruxes, and how to ultimately defeat him. However, on the top of the Astronomy Tower, Dumbledore is eventually assassinated by Severus Snape.

Severus Snape

Professor of Defence Against the Dark Arts at Hogwarts, Severus Snape. He was recently appointed to the position after years of seeking it. Maybe because of his hatred against Harry’s father, James, he is highly disrespectful to Harry. Snape is revealed to be the Half-Blood Prince after “Harry Potter and the Half-Blood Prince”; he calls himself after his mother, Eileen Prince, because his father was a muggle, making him a half-blooded wizard. He is also revealed to collaborate with the Death Eaters and ultimately murders Albus Dumbledore.

Draco Malfoy

Draco Malfoy is a sixth-year student at Hogwarts from the Slytherin house. In place of his father, who was imprisoned in Azkaban, he has just been initiated into the Death Eaters. He is responsible for cursing Katie Bell, poisoning Ron Weasley, and eventually using Vanishing Cabinets to enable his fellow Death Eaters enter Hogwarts. Lord Voldemort entrusts him with killing Dumbledore, but Draco ultimately decides not to carry it through, allowing Severus Snape to do it instead.

Horace Slughorn

Horace Slughorn is the recently hired Potions professor at Hogwarts. He appears like a walrus and is particularly interested in “gathering” students with illustrious ancestry or the potential to become famous. After Harry produces a perfect Draught of Living Death potion with the aid of his new textbook, Horace Slughorn sings Harry’s praises. The recollection of Slughorn’s conversation with young Tom Riddle concerning Horcruxes is significant to the plot of this book, making him a crucial character.


Voldemort is the primary antagonist of this novel and the entire Harry Potter series. In this book, he is responsible for several deaths and disappearances, and he regularly orders his Death Eaters to cause havoc throughout London. Voldemort is revealed to be the offspring of a muggle named Tom Riddle and a descendent of Salazar Slytherin named Merope Gaunt in “Harry Potter and the Half-Blood Prince.” Early on, he is placed in an orphanage and raised there until Dumbledore recruits him for Hogwarts.

Katie Bell

Katie Bell is in her seventh year at Hogwarts. She is a Gryffindor Quidditch team member. She is cursed in “Harry Potter and the Half-Blood Prince” by a necklace imbued with bad power. She miraculously survives but has no memory of the occurrence, which is subsequently determined to be the product of the mind-controlling ‘Imperius Curse’ administered by Draco Malfoy.

Sirius Black

Sirius Black is Harry’s godfather and was a close friend of Harry’s parents, James and Lily Potter, in the past. Bellatrix Lestrange murdered Sirius during the conflict between the Order of the Phoenix and the Death Eaters. The memories and loss of Sirius continue to torment Harry regularly.

Lavender Brown

Lavender Brown is a sixth-year Hogwarts student. She is a member of Gryffindor. Ron professes his emotions for Hermione, leading to their relationship’s end.

Crabbe and Goyle

Vincent Crabbe and Gregory Goyle are Draco’s frequent companions whenever he bullies other Hogwarts pupils. They are both physically frightening and make excellent henchman for Draco’s crafty personality.

Savage, Proudfoot, and Dawlish

Dawlish, Proudfoot, and Savage are three aurors tasked with protecting Hogwarts castle alongside Tonks by the Ministry.


Dobby is a house elf and Harry’s close pal. Dobby is highly thankful to Harry for rescuing him from Lucius Malfoy, and he is always assisting him in any way he can. When Harry instructs Kreacher, his house-elf inherited from Sirius, to follow Draco, he does so alongside Kreacher.

Fleur Delacour

Fleur Delacour is a Beauxbatons School of Magic student and a previous Triwizard Tournament champion. Hermione is currently engaged to Bill Weasley, the eldest Weasley sibling, and is consequently present when Harry visits the Burrow.


Fawkes is the phoenix that accompanies Dumbledore. After Dumbledore’s death, it sings a beautiful lament that comforts everyone who hears it.

Argus Filch

Argus Filch is the school’s caretaker. He is highly unpleasant to the students and often tries to catch them vandalizing the Hogwarts corridors.

Seamus Finnigan

Seamus Finnigan is a sixth-year Hogwarts student. He is a roommate of Harry and Ron and a member of the Gryffindor house.

Cornelius Fudge

Cornelius Fudge served as Minister of Magic in the past. Once his negligence caused the battle at the Department of Mysteries, he resigned.

Marvolo Gaunt

Marvolo Gaunt was one of Salazar Slytherin’s last surviving descendants. His children Merope and Morfin stayed near the Riddle Mansion on the outskirts of Little Hangleton.

Merope Gaunt

Merope Gaunt, the daughter of Marvolo Gaunt, was Tom Riddle’s mother. Tom Riddle Sr. abandoned her after she used magic to make him fall in love with her. Mom passed away immediately after Tom’s birth.

Morfin Gaunt

Morfin Gaunt was Marvolo Gaunt’s son. He was seen by Harry and Dumbledore when they revisited Bob Ogden’s memory in the Pensieve. He talked solely in Parseltongue.


Grawp is Hagrid’s half-brother, whom he brought with him on his excursion to the mountains last year. Grawp and Hagrid attend Dumbledore’s funeral together.

Fenrir Greyback

Fenrir Greyback is a werewolf and a regular Death Eater in Voldemort’s army. He is observed atop the Astronomy Tower before Snape’s murder of Dumbledore.

Rubeus Hagrid

Rubeus Hagrid is the gamekeeper at Hogwarts and the keeper of the keys. He is also the Care of Magical Animals professor and Harry, Ron, and Hermione’s closest friend.

The Half-Blood Prince

The Half-Blood Prince is initially shown as a secretive, brilliant individual who prefers doodling throughout his Potions textbook. Harry utilizes his scribbled directions in class, which are beneficial. The identity of the Half-Blood Prince is eventually revealed to be Severus Snape himself.

The Inferi

The Inferi are dark, undead monsters miraculously brought to life. Voldemort employs them to guard his Horcrux in the cave where Harry and Dumbledore find it.

Caratacus Burke

Caratacus Burke founded the Knockturn Alley novelty shop named “Borgin & Burkes.” Harry and Dumbledore see him in the Pensieve through his recollection. He purchases the locket of Salazar Slytherin for ten Galleons from Merope Riddle.

Ritchie Coote

Ritchie Coote is the Gryffindor Quidditch team’s new beater. He fills one of the positions vacated by the Weasley twins.


Kreacher is Harry’s house-elf, which he received from Sirius upon his death. Kreacher assists Harry in determining Draco Malfoy’s plans by discreetly following him.

Bellatrix Lestrange

Bellatrix Lestrange is one of the most formidable and devoted Death Eaters to the cause of Lord Voldemort.

Neville Longbottom

Neville Longbottom is a sixth-year Hogwarts student. He belongs to the Gryffindor house and is Harry and Ron’s pal and roommate.

Luna Lovegood

Luna Lovegood is a fifth-year Hogwarts student. She is a Ravenclaw and a friend of Harry, Ginny, and the other members of their group.

Remus Lupin

Remus Lupin was one of Harry’s favorite instructors at Hogwarts when he taught Defense Against the Dark Arts. Now a Order of the Phoenix member, he is there for the Death Eaters’ assault on the castle.

Ernie MacMillan

Ernie MacMillan is a sixth-year Hogwarts student. He is a member of the Hufflepuff house.

Narcissa Malfoy

Narcissa Malfoy is Draco Malfoy’s mother and Lucius Malfoy’s wife. She is worried about Draco’s initiation as a Death Eater and visits Snape with her sister Bellatrix for assistance. Snape eventually makes the Unbreakable Promise and assures Hermione that he will protect Draco and complete the mission even if he fails.

Lucius Malfoy

Lucius Malfoy is Narcissa Malfoy’s husband and Draco Malfoy’s father. After being captured by order of the Phoenix at the Department of Mysteries, Potter spends most of this book in Azkaban prison.

Madam Malkin

Madam Malkin is the proprietor of the eponymous clothing boutique.

Mrs. Cole

Mrs. Cole is in charge of the orphanage where Tom Riddle develops. When Dumbledore visits the orphanage, she introduces him to him.

Minerva McGonagall

Hogwarts professor of Transfiguration, Minerva McGonagall. She is the leader of the Gryffindor house and acts as Headmistress in the absence of Dumbledore.

Cormac McLaggen

Cormac McLaggen is a student in his seventh year at Hogwarts. He is a temporary keeper for the Gryffindor Quidditch team and a member of the house.

Moaning Myrtle

Myrtle Warren was a Hogwarts student who was slain by looking directly into the eyes of the Basilisk after the Chamber of Secrets was opened. After her death, she continued to haunt the girls’ restroom as a ghost, earning the moniker “Mourning Myrtle” due to her frequent wailing.

Nearly Headless Nick

Almost Headless Nick is the ghost of Gryffindor at Hogwarts. He is cordial with Harry.

Bob Ogden

Robert Ogden was a Department of Magical Law Enforcement officer. Harry and Dumbledore see him in the Pensieve when they enter his recollection of meeting Marvolo Gaunt in the Gaunt hut.

Bill Weasley

William Weasley is the oldest sibling in the Weasley family. During the struggle against Death Eaters in the castle, he gets mauled by a werewolf named Fenrir Greyback. He is engaged to Fleur Delacour.

Pansy Parkinson

Pansy Parkinson is a sixth-year Hogwarts student. She is a member of the Slytherin house and Draco Malfoy’s close buddy.

Jimmy Peakes

Jimmy Peakes is in his third year at Hogwarts. He is one of the new beaters that have replaced the Weasley twins.

Madam Pince

Madam Irma Pince is the Hogwarts Librarian.

Prime Minister

The Prime Minister is the head of state in Modern Britain. He first appears when he meets Cornelius Fudge and Rufus Scrimgeour at the book’s opening.

Tom Riddle, Sr.

Tom Riddle, Jr.’s father was Tom Riddle, Sr. He was a lovely man whom Voldemort’s mother, Merope Gaunt, used magic to charm. Tom returned to Little Hangleton after becoming Lord Voldemort and murdered Tom Riddle Sr. and his parents.

Demelza Robins

Demelza Robins is a sixth-year Hogwarts student. She is a Gryffindor Quidditch team member.

Madam Rosmerta

Madam Rosmerta is the proprietor of the Three Broomsticks in Hogsmeade. She is a nice and friendly woman who is ultimately cursed by the Imperius Curse and aids Death Eaters in entering Hogwarts.

Rufus Scrimgeour

Rufus Scrimgeour has been appointed as the next Minister of Magic. A man with a face resembling that of a lion, he is highly stern and competent. He was formerly an auror before being promoted to Minister of Magic.

Hepzibah Smith

Harry and Dumbledore encounter Hepzibah Smith, an elderly witch, as they visit the memory of a house-elf named Hokey in the Pensieve. Hermione demonstrates to Tom Riddle two of the four Hogwarts heirlooms she possesses. These heirlooms are taken and ultimately become Horcruxes once she is murdered.

Dean Thomas

Dean Thomas is in his sixth year at Hogwarts. His dormitory room is shared with Harry, Ron, Seamus, and Neville. He is a Gryffindor.

Nymphadora Tonks

Nymphadora Tonks is a talented Auror and a Order of the Phoenix member. Hermione carefully removes Harry from the train after Malfoy had injured him and left him in the Slytherin carriage.

Romilda Vane

Romilda Vane is a student in her fourth year at Hogwarts. Hermione has a crush on Harry and sends him candies laced with love potion, which Ron accidentally consumes.

Molly Weasley

Molly Weasley is the mother of all Weasley siblings and Arthur Weasley’s wife. She is an Order of the Phoenix member.

Arthur Weasley

Arthur Weasley is the father of each sibling in the Weasley family. He is the Head of the Office for the Abuse of Muggle Artifacts and a member of the Order of the Phoenix.

Fred and George Weasley

Fred and George Weasley, twins of the Weasley family, are noted for their sense of humor and laid-back attitude toward life. They construct a joke shop in Diagon Alley named “Weasley’s Wizard Wheezes,” which becomes a smashing success.

Ginny Weasley

Ginny Weasley is the youngest member of her family. She is a fifth-year Hogwarts student and a vital part of the Gryffindor Quidditch squad. In this novel, her longtime crush, Harry Potter, and she end up together.

Blaise Zabini

Blaise Zabini is a sixth-year Hogwarts student. He belongs to the Slytherin house and has been invited to join the Slug Club.








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