20 Harry Potter Characters Fans Completely Changed Their Minds About
First Impressions Can Be Seriously Misleading
One of the cleverest things Harry Potter does is encourage you to form quick opinions about certain characters, only to make you realize that you judged them too quickly, before knowing their full story. Some people who seem cruel turn out to be protecting others, while characters who initially appear noble reveal much less flattering sides of themselves. Once the full story comes into view, it becomes clear that first impressions are rarely accurate. Here are 20 characters from the wizarding world that fans completely changed their minds about.
1. Severus Snape
For most of the series, Snape looks like one of the easiest characters to judge. He’s cruel to Harry, openly favors Slytherin students, and frequently seems suspicious enough to be working against Dumbledore. Only later do we learn that he spent years secretly helping the Order and protecting Harry because of his love for Lily. That realization may not erase his worst behavior, but it completely changes what you thought his role in the story was.
2. Sirius Black
When Sirius is first introduced, everything points to him being one of the most dangerous people Harry could possibly meet. He supposedly betrayed Harry’s parents, murdered Peter Pettigrew, and escaped Azkaban to finish what he started. However, by the end of Prisoner of Azkaban, nearly every part of that story has been turned upside down. You find out he's actually Harry’s loyal godfather, while the real betrayer has been hiding in plain sight.
Mademoiselle Ortie / Elodie Tihange on Wikimedia
3. Peter Pettigrew
Peter initially exists in Harry’s mind as one of his parents’ brave friends who died confronting Sirius. That version makes him seem tragic and heroic, when the truth is almost the exact opposite. Peter actually betrayed James and Lily before framing Sirius for his own crimes and cowardly hiding in his animagus form for 12 years.
4. Albus Dumbledore
For much of Harry’s childhood, Dumbledore seems almost impossible to question. He’s wise, powerful, compassionate, and usually presented as the adult who understands what’s happening better than anyone else. The final books reveal that he kept enormous secrets from Harry and once had dangerous ambitions, making the flawless mentor a far more complicated man.
5. James Potter
Harry spends years hearing stories that make James sound like exactly the kind of father he wishes he could have known. He was brave, popular, talented, and willing to die protecting his family. Then he sees James bullying Snape in the Pensieve and is horrified by how casually cruel his father could be as a teenager. The discovery forces both Harry and the reader to separate James the hero from James the deeply flawed schoolboy.
6. Remus Lupin
Lupin first appears to be one of the safest and most dependable adults Harry has ever encountered. He treats his students kindly, teaches Harry how to fight Dementors, and seems refreshingly reasonable compared with many other professors. Discovering that he’s a werewolf initially makes him seem dangerous, but learning the truth only makes his restraint and compassion more impressive.
7. Draco Malfoy
For years, Draco looks like a spoiled bully who enjoys causing trouble simply because he can. He insults other students, repeats his family’s hateful beliefs, and constantly boasts about his connection to powerful people. Once Voldemort gives him the task of killing Dumbledore, however, the confidence begins to disappear, and you see how frightened and trapped he really is. You're reminded that he's still a kid; not innocent, perhaps, but completely unprepared for the evils of the world around him.
Mademoiselle Ortie / Elodie Tihange on Wikimedia
8. Narcissa Malfoy
Narcissa spends most of her appearances firmly connected to Voldemort’s side, so there’s little reason to expect her to help Harry. She belongs to the Black family, supports Draco’s involvement with the Death Eaters, and clearly shares many of the prejudices around her. Yet when she discovers Harry is alive in the Forbidden Forest, she lies directly to Voldemort so she can return to her son, a decision that reveals that her role as a mother ultimately matters more than her role as a Death Eater.
Sean Reynolds from Liverpool, United Kingdom on Wikimedia
9. Regulus Black
For a long time, Regulus sounds like everything Sirius hated about his family. He joined the Death Eaters, embraced his parents’ beliefs, and appeared to die as a loyal follower of Voldemort. When Harry discovered that Regulus turned against Voldemort once he understood what he was trying to do and secretly tried to destroy one of his Horcruxes, it completely changed the picture.
10. Kreacher
Kreacher makes an awful first impression, and the story gives you plenty of reasons to dislike him. He mutters insults, treats Sirius with hostility, and later plays a role in events that contribute to Sirius’s death. Learning about his relationship with Regulus reveals a much more tragic side of his history, especially when Harry discovers what happened in Voldemort’s cave. Learning that Voldemort used him to test his Horcrux's defenses, leaving him for dead, makes the house elf's story a lot more complex.
11. Fleur Delacour
Fleur initially comes across as proud, critical, and somewhat difficult to warm to. She complains about Hogwarts, appears unimpressed by much of what she sees, and doesn’t exactly win Molly or Ginny over when she becomes engaged to Bill. Then Bill is attacked, and Fleur makes it clear that his injuries change absolutely nothing about her commitment to him. In that moment, the woman others had dismissed as shallow proves that they had badly underestimated her.
12. Dudley Dursley
For most of Harry’s childhood, Dudley seems like little more than a spoiled bully. He enjoys tormenting Harry, takes advantage of his parents’ favoritism, and rarely shows any sign of questioning how badly his cousin is treated. After his encounter with the Dementors, though, something appears to shift in him. By the time he tells Harry that he doesn’t think he’s a waste of space, you realize Dudley has started examining the world he grew up in.
Pietro Luca Cassarino on Wikimedia
13. Petunia Dursley
Petunia appears to hate magic simply because she finds it strange and embarrassing. Her treatment of Harry makes her seem bitter, narrow-minded, and cruel. Eventually, we learn that Petunia once wanted desperately to attend Hogwarts herself and felt rejected when she couldn’t. That doesn’t excuse how she treated Harry, but it reveals that her hostility toward the magical world began with something far more personal.
14. Horace Slughorn
Slughorn can seem relatively harmless when he first appears, especially compared with the darker figures surrounding Voldemort’s rise. He likes collecting talented students, enjoys comfort, and mostly comes across as a slightly self-important teacher who loves networking. The discovery that he once told Tom Riddle about Horcruxes makes his past suddenly much more serious. His shame over that mistake also shows that there’s a conscience under that smug exterior.
15. Barty Crouch Jr.
For most of Goblet of Fire, the man Harry knows as Mad-Eye Moody appears to be a gruff but surprisingly effective teacher. He helps Harry prepare for the Triwizard Tournament, demonstrates practical defensive magic, and seems committed to protecting students from dark forces. The reveal that he’s actually Barty Crouch Jr. transforms almost every interaction you’ve watched throughout the year. What looked like guidance was really part of an elaborate plan to deliver Harry directly to Voldemort.
16. Barty Crouch Sr.
Crouch Sr. initially seems like the kind of strict Ministry official who values rules above practically everything else. His reputation suggests that he was ruthless in fighting dark wizards and willing to make harsh choices in the name of justice. Later, it becomes clear that his own family history is full of secrets, including the fact that he helped his convicted son escape Azkaban.
17. Gilderoy Lockhart
Lockhart arrives at Hogwarts surrounded by fame, bestselling books, and endless stories about his heroic adventures. If you only knew him by reputation, you might assume Harry had finally gotten a Defense Against the Dark Arts professor who had actually accomplished something impressive. Instead, he’s eventually exposed as a fraud who stole other people’s stories and erased their memories.
18. Mad-Eye Moody
The real Mad-Eye Moody creates an unusual case because readers spend an entire book getting to know someone who isn’t him. By the time the genuine Moody appears, you already have an image of a paranoid, tough, highly skilled Auror based on Barty Crouch Jr.’s impersonation. Later books show that some of those traits were accurate, but they also remind you that your first experience of Moody was carefully fabricated.
19. Neville Longbottom
Neville starts out looking like the student least likely to become a major figure in the fight against Voldemort. He forgets passwords, loses his toad, struggles with magic, and seems constantly overwhelmed by life at Hogwarts. As more of his family history comes out and his confidence grows, you begin to understand just how much courage he’s been carrying beneath all that nervousness. By the time he kills Nagini with the Sword of Gryffindor, it's hard to even remember that frightened first-year.
20. Tom Riddle
When Harry first encounters Tom Riddle through the diary, he seems intelligent, polite, and far more trustworthy than the adults around him. He presents himself as a student who uncovered the truth about the Chamber of Secrets and tried to stop a dangerous classmate. Only gradually does Harry realize that Riddle has manipulated the entire situation and is actually the younger version of Voldemort.
Cor-Sa on DeviantArt on Wikimedia
