Key Takeaways

• Arthur Weasley, a father figure to Harry, played a vital role in the fight against Voldemort with the Order of the Phoenix.
• Fred & George Weasley, known for mischief, provided comedic relief and fought bravely alongside Harry in the war.
• Luna Lovegood, a loyal friend to Harry, contributed significantly to the fight against Voldemort, even joining in the Battle of Hogwarts.

In Harry Potter, the wizarding world is full of several characters who add value and depth to the story of famed wizards Harry Potter, Ron Weasley, and Hermione Granger. Throughout Harry, Ron, and Hermione’s several years studying at Hogwarts, many characters come into contact with the protagonists, with many being valuable assets in the story, even though their efforts are often overlooked.

Whether it be powerful wizards or non-magic wielders, many characters in the Harry Potter franchise are underappreciated even with their countless contributions that aid Harry and his companions in their battle against Lord Voldemort and his Death Eaters.

Updated on October 9, 2024, By Alex Lawrence: Harry Potter has become a global phenomenon like no other, with the wizarding world created by J. K. Rowling​ going on to succeed in many different mediums. In the movies, eight parts tell the story of Harry and his journey alongside Ron and Hermione as they attend Hogwarts and later face off against Voldemort, Harry’s arch-enemy. While the protagonists are entertaining, Harry Potter has a wealth of unique characters that are full of depth and bring much to the franchise. Due to the continued popularity of Hogwarts Legacy and the franchise as a whole, more entries have been added to this list, considering the number of intriguing and fun characters that helped Harry during his years at Hogwarts.​

11 Fleur Delacour

French Wizard Who Becomes A Valuable Member Of The Weasley Family

• First Appearance: Harry Potter and the Goblet of Fire

The delicate and ethereal Fleur Delacour makes a tremendous impression upon being introduced in The Goblet of Fire. While being a student, the French witch’s resume included captaining and representing the Beauxbatons Academy while stationed at Hogwarts. As one of the four Goblet of Fire participants, Fleur displays acts of bravery and skill despite failing to match up with her competition in Cedric Diggory, Harry, and the fearsome Viktor Krum.

After her initial appearance, the talented wizard returns as an ally of Harry when the Order of the Phoenix comes together to protect the protagonist from the clutches of Voldemort. After marrying to Bill Weasley, Fleur plays her part as a new member of the Weasley family almost immediately. When Harry attempts to flee his home in Privet Drive, Fleur disguises herself as Harry alongside others, putting her life at risk in order to help Harry survive a wave of Death Eater attacks.

10 Molly Weasley

Strict But Loving Mother Who Could Fight When Necessary

• First Appearance: Harry Potter and the Philosopher’s Stone

Like many members of the Weasley family, Molly Weasley brings a lot to the world of Harry Potter, particularly when acting as a parental figure to Harry during his years at Hogwarts. Despite her strict tone towards her children, Molly is a caring mother who tries to keep her offspring in line as their world turns upside down with the threat of Voldemort and his army returning.

Along with her husband, Arthur Weasley, Molly is a member of the Order of the Phoenix, which propels them to help Harry in his mission, with Molly even taking up arms in the Battle of Hogwarts, becoming the one to defeat Bellatrix Lestrange, the wicked witch.

9 Remus Lupin

Caring Teacher And Order Of The Phoenix Member Who Admires Harry

• First Appearance: Harry Potter and the Prisoner of Azkaban

Out of all of Harry’s Defense Against the Dark Arts teachers, Remus Lupin stands out as one of the protagonist’s favorites. Remus is a peculiar teacher who keeps a keen eye on the Harry during his year at Hogwarts due to his friendship with Harry’s father, James Potter. While performing his role as a teacher, Remus tries to hide his lycanthropy, which causes the character to turn into an uncontrollable werewolf.

While his werewolf ability initially puts Harry, Hermione, and Ron in danger, Remus aims to help Harry, and the character becomes a key member of the Order of the Phoenix alongside his trusty companion, Nymphadora Tonks.

8 Arthur Weasley

Order Of The Phoenix Member That Acts As A Father Figure To Harry

• First Appearance: Harry Potter and the Chamber of Secrets

Throughout Harry Potter, Arthur is a wizard who supports the fight against Voldemort and acts as a father figure to Harry. As Ron’s father, Arthur frequently takes Harry in as the young wizard has nowhere to go, with Arthur and the Weasleys looking after Harry intently. Besides acting as a father figure to Harry, Arthur is one of the Order of the Phoenix members, aiding Harry in the battle against Voldemort and the Death Eaters.

Arthur’s involvement with the order led to many confrontations, with Arthur being involved in the Battle of Hogwarts, which saw Voldemort suffer defeat at the hands of Harry.

7 Fred & George Weasley

Mischievous Twins Committed To Having Fun

• First Appearance: Harry Potter and the Philosopher’s Stone

The treacherous twins of Fred & George Weasley were a constant form of comedic relief throughout Harry’s years at Hogwarts, with the twins being intent on creating fun for students, no matter the consequences. Like the other Weasleys, Fred & George are involved in Harry’s life, acting as big brothers at Hogwarts or the Weasley residence.

Even after their Hogwarts years ended, the twins opened up the Weasleys’ Wizard Wheezes, a magic store that entertained many in Diagon Alley. When it came to the fight against Voldemort, the Weasley twins recognized the importance of the battle, with the twins both being heavily involved in the war, which saw Fred lose his life fighting for a good cause.

6 Luna Lovegood

Harry’s Quirky But Loyal Friend Who Contributed During The War

• First Appearance: Harry Potter and the Order of the Phoenix

Despite not appearing from the very start of Harry Potter, Luna Lovegood was a Hogwarts student who had plenty of impact on Harry and the fight against Voldemort. Introduced in Harry Potter and the Order of the Phoenix, Luna adds a sense of quirkiness and life to Harry Potter, with much of the story turning dark and ominous due to Voldemort’s return.

Luna’s impact goes beyond her relationship with Harry, as she provides a helping hand to Harry’s group when they head to the Ministry of Magic to rescue Sirius Black. When attempting the rescue, Luna becomes involved in a battle against dangerous foes such as Bellatrix Lestrange and Lucius Malfoy. Luna later goes on to continue the fight against Voldemort and his army as she plays an active role in the Battle of Hogwarts.

5 Neville Longbottom

Timid Boy Transforms Into A Crucial Hero

• First Appearance: Harry Potter and the Philosopher’s Stone

Neville Longbottom is one of the many Hogwarts students who are present in all of Harry’s classes, with the shy boy always being viewed as a joke by many of his classmates. Despite being shunned by many, Neville joins the fight against Voldemort due to his parents’ involvement in the Order of the Phoenix, with Neville starting to grow out of his shell as the years go by at Hogwarts.

In the Battle of Hogwarts, despite Harry being the one to vanquish the dark lord, Neville becomes a hero in the process as he eliminates Nagini, Voldemort’s last horcrux, which enables Harry to defeat his nemesis.

4 Minerva McGonagall

Head Of Gryffindor House And High Ranking Professor At Hogwarts

• First Appearance: Harry Potter and the Philosopher’s Stone

Portrayed by the incomparable Maggie Smith,Minerva McGonagall is one of the most senior professors at Hogwarts, with McGonagall head of Gryffindor House. As one of Albus Dumbledore’s most trusted advisors, McGonagall plays an active role in helping Harry and his companions whenever she can, with the professor always keeping an eye on the famed student due to their Gryffindor affiliation. With the death of Dumbledore, McGonagall acted as Hogwarts’s headmistress despite Severus Snape officially taking the reign once Voldemort’s dominion over the wizarding world had returned.

In the Battle of Hogwarts, McGonagall played a vital role in defending the school grounds. On the eve of battle, McGonagall used the Piertotum Locomotor spell to put a powerful shield around the school that helped protect it for a sufficient amount of time.

3 Severus Snape

Harry’s Unlikely Ally In The Shadows

• First Appearance: Harry Potter and the Philosopher’s Stone

Ever since Severus Snape was first introduced, Snape has been portrayed as Harry’s enemy throughout his years at Hogwarts. Whenever Snape encountered Harry, Snape would make life difficult for the Gryffindor student despite not deserving such treatment. Only during Harry Potter and the Deathly Hallows was it revealed that Snape’s actions were of a protective nature, with Snape looking after Harry due to his affinity for his mother, Lily Potter.

While being Harry’s staunch protector, Snape became Dumbledore’s most trusted ally, with Snape even abiding by Dumbledore’s wish to kill him in order to gain the trust of Voldemort and the Death Eaters.

2 Dobby

Harry’s House Elf Who Sacrificed Himself To Save His Friends

• First Appearance: Harry Potter and the Chamber of Secrets

Dobby’s contributions throughout Harry Potter solidify the house elf as an integral character who performed incredible feats despite not getting the respect he deserved. Despite being the house elf of the Malfoy family, Dobby frequently helps Harry, with the young wizard being the only person to treat Dobby with complete respect.

Dobby’s most significant contribution in Harry Potter is when he saves Harry and his companions from the clutches of Bellatrix at Malfoy Manor. In saving the group, Dobby dies, leaving his last contribution to be the saving of his dear friend Harry, who must go on and try and defeat Voldemort.

1 Rubeus Hagrid

Friendly Gamekeeper Who Is Always There As A Helping Hand

• First Appearance: Harry Potter and the Philosopher’s Stone

As the Hogwarts gamekeeper, Hagrid becomes a pivotal character in the events of Harry Potter, with Hagrid being one of Harry’s closest allies. When Harry, Ron, and Hermione find a way to get into trouble, Hagrid always plays a hand in the trio’s chaotic adventures. While being an essential ally for Harry, Hagrid is also a valuable friend of Dumbledore, who always trusts Hagrid for the most critical tasks.

Dumbledore assigned Hagrid essential tasks, such as delivering Harry to the Dursley family and retrieving Harry in time for the young wizard to start his Hogwarts adventure. Hagrid is the story’s heartbeat in the franchise’s first few films, providing audiences with fun and joy despite not getting all the attention.