Appointed High Inquisitor of Hogwarts with powers to inspect teachers and dismiss them.

A centaur who becomes the new Divination teacher after Umbridge fires Trelawney, against centaur...

Member of the giant tribe that Hagrid and Maxime visited.

Another giant from the tribe in the mountains.

A giant who killed Karkus and became the new Gurg, allied with Voldemort.

Forms Dumbledore's Army to teach Defense Against the Dark Arts. Becomes a teacher to his fellow...

Creates enchanted coins for DA communication and helps organize the group's activities.

The Gurg (leader) of a giant tribe that Hagrid and Maxime visited, killed by his successor...

Made a Gryffindor prefect, much to everyone's surprise. Takes his responsibilities seriously.

Returns from his mission with injuries and bruises, having attempted to recruit the giants.

Additional DA Member 1 appears in the story as a DA member.

Additional DA Member 2 appears in the story as a DA member.

Additional DA Member 3 appears in the story as a DA member.

Additional Diagon Alley Merchant 1 appears in the story as a Shop owner.

Additional Diagon Alley Merchant 2 appears in the story as a Shop owner.

Additional Diagon Alley Merchant 3 appears in the story as a Shop owner.

Additional Gryffindor Student 1 appears in the story as a Gryffindor student.

Additional Gryffindor Student 2 appears in the story as a Gryffindor student.

Additional Gryffindor Student 3 appears in the story as a Gryffindor student.

Additional Hogwarts Portrait 1 appears in the story as a Hogwarts portrait.

Additional Hogwarts Portrait 2 appears in the story as a Hogwarts portrait.

Additional Hogwarts Portrait 3 appears in the story as a Hogwarts portrait.

Additional Hufflepuff Student 1 appears in the story as a Hufflepuff student.

Additional Hufflepuff Student 2 appears in the story as a Hufflepuff student.

Additional Hufflepuff Student 3 appears in the story as a Hufflepuff student.

Additional Ministry Employee 1 appears in the story as a Ministry employee.

Additional Ministry Employee 2 appears in the story as a Ministry employee.

Additional Ministry Employee 3 appears in the story as a Ministry employee.

Additional Order Member 1 appears in the story as a Order member.

Additional Order Member 2 appears in the story as a Order member.

Additional Order Member 3 appears in the story as a Order member.

Additional Quidditch Supporter 1 appears in the story as a Quidditch fan.

Additional Quidditch Supporter 2 appears in the story as a Quidditch fan.

Additional Quidditch Supporter 3 appears in the story as a Quidditch fan.

Additional Ravenclaw Student 1 appears in the story as a Ravenclaw student.

Additional Ravenclaw Student 2 appears in the story as a Ravenclaw student.

Additional Ravenclaw Student 3 appears in the story as a Ravenclaw student.

Additional Slytherin Student 1 appears in the story as a Slytherin student.

Additional Slytherin Student 2 appears in the story as a Slytherin student.

Additional Slytherin Student 3 appears in the story as a Slytherin student.

Real Mad-Eye Moody, paranoid ex-Auror and Order member. Freed after being imprisoned by Barty...

Defends Harry at his Ministry hearing, helping him avoid expulsion from Hogwarts.

Gryffindor Chaser and member of the Quidditch team under Angelina's captaincy.

Head of the Department of Magical Law Enforcement and a fair-minded witch who presides over Harry's...

Student who tries out for Beater position on the Gryffindor Quidditch team to replace the banned...

Sirius's cousin, burned off the family tree for marrying a Muggle-born.

New Gryffindor Quidditch Captain and Chaser, trying to maintain team discipline and win the Cup.

A Ravenclaw student who joins Dumbledore's Army.

Assistant working at the apothecary shop in Diagon Alley.

Harry's elderly neighbor revealed to be a Squib who has been watching over him for Dumbledore.

Hogwarts caretaker who enthusiastically supports Umbridge's harsh punishments and increased...

Works at the Ministry in the Misuse of Muggle Artefacts Office and is a member of the Order.

Sirius's cousin shown on the Black family tree, burned off for being a Death Eater.

Arthur's eldest son who works as a curse-breaker for Gringotts and is an Order member.

One of many hostile portraits of Black family ancestors hanging in Grimmauld Place.

Another hostile portrait of Black family ancestors in the house.

Slytherin student in Harry's year, known for his mother's multiple marriages.

Employee at Flourish and Blotts bookstore.

Hufflepuff student killed by Voldemort, remembered as a hero who died fighting against evil.

Arthur's second son who works with dragons in Romania and is an Order member.

Joins Dumbledore's Army to learn defense against the dark arts and honor Cedric's memory.

Ravenclaw Seeker who competes against Harry in Quidditch matches.

Eager younger Gryffindor student who joins Dumbledore's Army despite being underage.

The Minister for Magic who refuses to believe Voldemort has returned and sees Harry as a threat to...

Student who supports Dumbledore's Army but doesn't officially join.

Student who sympathizes with DA's goals but is too scared to join.

Joins Dumbledore's Army and proves skilled at defensive magic.

Magical kittens on plates that decorate Umbridge's office, meowing and moving around.

A small wizard in a top hat who previously bowed to Harry, revealed to be an Order member.

Have joined Voldemort's side and are breeding, causing despair across Britain.

Colin's younger brother who also joins Dumbledore's Army.

Ministry employee working in creature regulation.

Ministry worker handling magical accidents.

Witch shopping in Diagon Alley during the Weasleys' visit.

Wizard browsing shops in Diagon Alley.

The free house-elf who works at Hogwarts and warns Harry about dangers, still devoted to helping...

Appointed to Umbridge's Inquisitorial Squad and given authority to punish other students.

Harry's cousin who is attacked by Dementors and experiences their effects for the first time.

Ministry official helping Umbridge enforce Educational Decrees.

An elderly wizard and old friend of Dumbledore, member of the Order of the Phoenix.

A member of the Order of the Phoenix who helps guard Harry.

A member of the Wizengamot present at Harry's disciplinary hearing.

Wizengamot member who questions Harry during his disciplinary hearing.

A Hufflepuff student who joins Dumbledore's Army.

Savage werewolf who allies with Voldemort and enjoys attacking children.

Charms professor and Head of Ravenclaw House. Inspected by Umbridge but maintains his teaching...

New first-year student sorted into one of the houses.

Fourth-year student attending Hogwarts classes.

Joins Dumbledore's Army and helps teach younger students defensive magic.

Dark wizard defeated by Dumbledore in 1945, mentioned in History of Magic.

Member of Dumbledore's Army who helps with training and brings humor to the serious meetings.

Joins Dumbledore's Army and proves to be a talented witch with particular skill at hexes.

A younger Slytherin student and member of Umbridge's Inquisitorial Squad.

Member of Umbridge's Inquisitorial Squad.

Order member or ally visiting the headquarters.

Reserve player for the Gryffindor Quidditch team.

Gryffindor house member who supports Harry during difficult times.

Another Gryffindor student attending classes and meals.

Student who supports Gryffindor in Quidditch matches.

A Hufflepuff student who joins Dumbledore's Army.

Harry's snowy owl who has been prevented from carrying messages, showing signs of frustration.

A pink-cheeked, black-haired witch and member of the Order of the Phoenix.

Witch who sells sweets and treats on the Hogwarts Express.

One of many house-elves working in the Hogwarts kitchens.

Another house-elf serving at Hogwarts, wary of Hermione's liberation efforts.

One of many moving portraits decorating Hogwarts corridors.

Another portrait resident of Hogwarts castle walls.

Hufflepuff student who quietly supports Harry's version of events.

Hufflepuff student who cheers for their house team.

Group of students, mainly Slytherins, given authority by Umbridge to police other students and...

Ministry employee dealing with international magical relations.

Student who makes the Gryffindor Quidditch team as a Beater replacement, though less skilled than...

A Hufflepuff student who joins Dumbledore's Army.

Gryffindor Chaser and member of the Quidditch team under Angelina's captaincy.

Student who joins Dumbledore's Army to learn practical defense.

A tall black Auror who is secretly a member of the Order of the Phoenix.

The ancient house-elf of the Black family who serves at Grimmauld Place, hostile toward his current...

Hufflepuff student who joins Dumbledore's Army.

Joins Dumbledore's Army to learn practical defense magic.

Continues his role as Quidditch commentator, becoming increasingly critical of Umbridge's...

Joins Dumbledore's Army and proves to be a surprisingly capable witch despite her odd beliefs.

Strict Hogwarts librarian who guards the books fiercely.

Hogwarts school nurse who heals students injured by Umbridge's detentions and other accidents.

A witch from the Improper Use of Magic Office who sends Harry a letter about his underage sorcery.

Ministry employee overseeing magical transportation.

Cho's friend who reluctantly joins Dumbledore's Army.

A Ravenclaw student who joins Dumbledore's Army, Ginny's boyfriend.

A Slytherin student and member of Umbridge's Inquisitorial Squad.

Strongly supports Harry's career ambitions to become an Auror, opposing Umbridge's discouragement.

Ministry employee who operates the magical lifts and announces floors.

Security guard who checks wands and monitors visitors to the Ministry.

Arthur's wife and mother of the Weasley children, strongly protective of her family.

A Slytherin student and member of Umbridge's Inquisitorial Squad who tries to take House points...

Screaming portrait of Sirius's mother that cannot be removed from the wall at Grimmauld Place.

Filch's cat who patrols the corridors and reports student misbehavior.

A disreputable wizard and member of the Order who was supposed to be guarding Harry but abandoned...

Sirius's cousin shown on the family tree, married to Lucius Malfoy.

Gryffindor House ghost who provides comfort and advice to house members.

Joins Dumbledore's Army and begins to show real improvement in Defense Against the Dark Arts.

Young student who joins Dumbledore's Army despite being very inexperienced.

Young Auror and Metamorphmagus who can change her appearance at will. Member of the Order.

Former Gryffindor Quidditch captain now playing for Puddlemere United. Returns to watch Gryffindor...

Wizard allied with the Order who helps in various missions.

Another ally of the Order providing support and information.

Order member assigned to guard duty and protection missions.

Reformed after Voldemort's return, with many original members rejoining the fight.

Sirius's father shown on the Black family tree.

A Ravenclaw student and Parvati's twin sister who joins Dumbledore's Army.

Member of Umbridge's Inquisitorial Squad.

Joins Dumbledore's Army despite her focus on Divination.

Writes to Ron warning him away from Harry and suggesting he become a prefect to distance himself.

Has sided with the Ministry over his family, causing a rift with the Weasleys.

Former Marauder turned Death Eater who serves Voldemort and betrayed the Potters.

Harry's aunt who receives a Howler reminding her of her obligation to keep Harry safe.

Portrait of Sirius's great-great-grandfather, the least popular Hogwarts headmaster, who spies for...

A ministry official present at Harry's disciplinary hearing.

Herbology professor who is inspected by Umbridge. Continues teaching despite Ministry interference.

Hogwarts matron who treats students injured by Umbridge's punishments and other incidents.

Ghost professor who teaches History of Magic in his monotonous style.

Head of Ravenclaw House and Charms professor.

Head of Hufflepuff House and Herbology professor.

Referee officiating Hogwarts Quidditch matches.

Intellectual Ravenclaw student analyzing the situation carefully.

Ravenclaw student supporting their house Quidditch team.

Sirius's younger brother shown on the Black family tree, died young.

Former Hogwarts professor and member of the Order of the Phoenix. Still a werewolf, living on the...

Ravenclaw Quidditch Captain who leads the team against Gryffindor.

Flying instructor and Quidditch referee who continues to officiate matches despite Ministry...

Eventually joins Dumbledore's Army after realizing Harry was telling the truth.

Second-year student attending classes at Hogwarts.

Seventh-year student preparing for NEWTs.

Member of the Order of the Phoenix, reporting on Death Eater activities. Still unpleasant toward...

Explains the Order of the Phoenix to Harry and reveals the prophecy's existence.

Sixth-year student taking advanced classes at Hogwarts.

Slytherin student who supports Umbridge's regime.

Student who supports Slytherin and taunts opposing teams.

Student providing commentary for Quidditch matches.

Arrested for attempting to break into the Ministry of Magic while under the Imperius Curse.

A Hufflepuff student who joins Dumbledore's Army, niece of Amelia Bones.

Divination professor who receives a poor inspection from Umbridge and is placed on probation.

A Ravenclaw student who joins Dumbledore's Army.

Portrait guarding the Gryffindor common room entrance, requiring passwords.

Magical hat that sorts new students into their houses at the start of term.

Slytherin student in Harry's year, son of a Death Eater.

One of the thestrals pulling the Hogwarts carriages, visible to Harry.

Winged skeletal horses that pull the Hogwarts carriages, visible only to those who have witnessed...

Third-year student who joins Dumbledore's Army.

A member of the Wizengamot present at Harry's disciplinary hearing.

Innkeeper of the Leaky Cauldron who greets the Weasleys and Harry.

Harry's uncle who becomes even more hostile after the Dementor attack and tries to throw Harry out.

Member of Umbridge's Inquisitorial Squad.

Sirius's mother shown on the family tree, her portrait screams at intruders.

A Slytherin student and member of Umbridge's Inquisitorial Squad.

Hufflepuff student who joins Dumbledore's Army.

A house-elf who works at Hogwarts but is deeply depressed about being freed from the Crouch family.

Unnamed member of the Wizengamot present at Harry's hearing.

Another unnamed member of the Wizengamot at Harry's disciplinary hearing.

A Hufflepuff student who skeptically joins Dumbledore's Army and questions Harry's account of...