1. Ravenclaw
   Slytherin
2. Gryffindor
   Hufflepuff

For those who have read the books, it may seem like Ron doesn't have that much to do. However, we learn through the small things that he does that he's an integral part of the three friends (Harry, Ron and Hermione). He even learns a little parceltongue by listening to Harry when he sleeps.

1. Slytherin
   Gryffindor
2. Hufflepuff
   Ravenclaw

Draco Malfoy is a famous Slytherin in the series. His lackeys are Crabbe and Goyle, two characters who are mean for the sake of being mean. In the fourth installment of the series, we learn that their fathers are both Death Eaters.

1. Hufflepuff
   Gryfffindor
2. Ravenclaw
   Slytherin

When it comes to the wizarding world, Hermione Granger is one of the most well-known witches around. As a muggle-born witch, she was excited to learn that she had powers, and she spent a lot of time researching the world before even stepping foot on the Hogwarts Express.

1. Slytherin
   Hufflepuff
2. Gryffindor
   Ravenclaw

The twins are known as troublemakers, but for the most part, their stunts are harmless. They end up dropping out of school when Professor Umbridge takes over Hogwarts, and they do it in the most epic way possible.

1. Ravenclaw
   Gryffindor
2. Slytherin
   Hufflepuff

Albus Dumbledore has five names, but most students just refer to him as Professor Dumbledore. He was one of the most important characters throughout the series because he figured out exactly what Voldemort was up to and how he would return.

1. Gryffindor
   Ravenclaw
2. Hufflepuff
   Slytherin

We learn a lot about Severus Snape throughout the "Harry Potter" series, but many can't decide whether he is good or bad. To this day, there are still debates as to whether or not he needed to treat Harry so poorly.

1. Slytherin
   Gryffindor
2. He didn't attend Hogwarts.
   Hufflepuff

In the prophecy about Voldemort, Sybill Trelawney says that the Dark Lord will choose his opponent. With one different move, Neville could have very well been in Harry's shoes throughout the series.

1. Ravenclaw
   Slytherin
2. Hufflepuff
   Gryffindor

Percy liked following the rules, and he loved enforcing them. As a prefect and the head boy, Percy didn't care who broke the rules, as long as they were punished. He later worked for the Minister of Magic.

1. Slytherin
   Hufflepuff
2. Gryffindor
   Ravenclaw

Harry Potter is the main character in the series, and he knows absolutely nothing about the wizarding world. When he first enters the sorting ceremony, he is filled with terror because Ron tells him that Fred and George told him it would be a painful process.

1. Gryffindor
   Slytherin
2. Ravenclaw
   Hufflepuff

Even though Lily Potter was muggle-born, she still made it into Gryffindor house. This is where she met James Potter. Even though she knew Severus Snape before James, she ended up marrying James in the long run.

1. Hufflepuff
   Ravenclaw
2. Gryffindor
   Slytherin

When Ron says, "There's no witch or wizard who went bad who wasn't in Slytherin," he may have been a little wrong. However, there is no doubt that the pure evil that was Bellatix Lestrange was 100% Slytherin.

1. Hufflepuff
   Slytherin
2. Gryffindor
   Ravenclaw

Before Voldemort was Voldemort, his name was Tom Riddle. He attended Hogwarts and was a very big fan of the school. However, Dumbledore noticed something was a little off about the boy and kept a close eye on him.

1. Gryffindor
   Slytherin
2. Hufflepuff
   Ravenclaw

If you're not sure who Seamus Finnigan is, you may remember him as the character who continuously blows himself up by accident while trying to preform spells. Though Seamus gets better in later years, he does have a penchant for making things explode.

1. Slytherin
   Hufflepuff
2. Gryffindor
   Ravenclaw

Ginny Weasley is a strong-willed, intelligent witch who doesn't take anyone's nonsense. Growing up with six older brothers made her a fighter. However, with her intelligence, she could have very easily been a Ravenclaw as well.

1. Ravenclaw
   Hufflepuff
2. Slytherin
   Gryffindor

Though everyone in the Black family before him was a Slytherin, Sirius was sorted into Gryffindor. This made his parents very unhappy, but it was clear that Sirius wasn't like the rest of his family.

1. Slytherin
   Hufflepuff
2. Gryffindor
   Ravenclaw

The mystery behind Hagrid's expulsion from Hogwarts comes out in "Harry Potter and the Chamber of Secrets," which is the second installment of the series. He is blamed for opening the Chamber of Secrets the first time around, but we later learn that Tom Riddle did it.

1. Gryffindor
   Hufflepuff
2. Ravenclaw
   Slytherin

Slytherin wasn't just known for making dark wizards. It also made very intelligent and important wizards as well. However, Barty Crouch Jr. was a known Death Eater who escaped Azakaban prison without anyone knowing.

1. She didn't go to Hogwarts.
   Gryffindor
2. Slytherin
   Hufflepuff

As a woman who is very protective of her children, Molly Weasley fits the description of a Gryffindor through and through. She is brave and honest and ready to defend those who are weaker than she is.

1. Hufflepuff
   Gryffindor
2. Ravenclaw
   Slytherin

While Cho Chang may have been Harry's first kiss and crush, she belonged to another before they got together. She was actually more interested in Cedric Diggory, but his untimely death brought her to Harry Potter.

1. Slytherin
   Hufflepuff
2. Gryffindor
   Ravenclaw

Cedric Diggory had quite a bit of attention during the Triwizard Tournament, but his untimely death changed everything at Hogwarts. He is one of the best-known Hufflepuff characters in the series.

1. Slytherin
   Hufflepuff
2. Gryffindor
   Ravenclaw

Though we later find out that Remus Lupin is a werewolf, we also learn that he attended school with James Potter and his friends. All of these men were Gryffindors when they attended Hogwarts.

1. Ravenclaw
   Gryffindor
2. Hufflepuff
   Slytherin

Madam Sprout was a funny character who loved everything there was to love about Herbology. A fun fact about her is that her boggart is Lord Voldemort himself, which should be everyone's boggart.

1. Gryffindor
   Slytherin
2. Ravenclaw
   Hufflepuff

Everyone called her names behind her back and to her face, but Luna was a calm and gentle witch. She may have been a little weird, but she was open to everything and knew quite a bit about the world around her.

1. Slytherin
   Ravenclaw
2. Hufflepuff
   Gryffindor

While it may be clear that her dark ways should put her in Slytherin house, she simply worked toward keeping the Minister Of Magic's rules in line. However, in later books, Umbridge's character got darker and darker.

1. Ravenclaw
   Slytherin
2. Gryffindor
   Hufflepuff

While we first see Newt Scamander in the "Fantastic Beasts" series, we hear his name quite a bit throughout the "Harry Potter" books. Many don't realize that he was a Hufflepuff when he attended Hogwarts.

1. Gryffindor
   Ravenclaw
2. Slytherin
   Hufflepuff

Katie Bell is a side character in the "Harry Potter" series. She is the one who gets cursed by the necklace that Draco tries to give Dumbledore. Luckily, she lives, but she is never the same again.

1. Slytherin
   Hufflepuff
2. Ravenclaw
   Gryffindor

Professor Horace Slughorn wasn't a dark wizard by any means. He simply loved the vanity of talented witches and wizards. He was a potions expert and a very powerful wizard. He took over Snape's position when Snape was able to teach Defense Against the Dark Arts.

1. Ravenclaw
   Hufflepuff
2. Slytherin
   Gryffindor

Many don't consider divination an important subject in the wizarding world, but Sybill Trelawney is the one who had the prophecy about Voldemort choosing his opponent. Dumbledore ensured her safety by letting her stay at Hogwarts.

1. Gryffindor
   Slytherin
2. Ravenclaw
   Hufflepuff

At the very end of the "Harry Potter" series, we meet Albus Severus Potter, Harry and Ginny's son. He is worried that he will become a Slytherin, but to ease his mind, Harry tells him that the bravest person he ever knew was a Slytherin.

1. Hufflepuff
   Ravenclaw
2. Slytherin
   Gryffindor

Readers and watchers first meet Rita Skeeter in "Harry Potter and the Goblet of Fire," and many don't like her very much. She is tricky and witty, and likes to publish false information.

1. Gryffindor
   Slytherin
2. Hufflepuff
   Ravenclaw

We learn the true back story of Moaning Myrtle in "Harry Potter and the Chamber of Secrets" when she tells Harry the story. She was the student who was killed the last time the Chamber was open.

1. Ravenclaw
   Gryffindor
2. Slytherin
   Hufflepuff

She could change her hair color and her looks with a single thought, and no one thought to use that to their advantage in the wizarding war. However, Tonks played an important role throughout the books, helping Harry in his darkest times.

1. Gryffindor
   Ravenclaw
2. Slytherin
   Hufflepuff

While it can be argued that Quirrell wasn't necessarily bad (Voldemort's evil overcame him), he still attempted to kill Harry in the first installment of the series. One would think he would have been in Slytherin, but he was a Ravenclaw through and through.

1. Ravenclaw
   Slytherin
2. Hufflepuff
   Gryffindor

Well, we know that the cowardice Lockhart takes Gryffindor off the list, but Lockhart was very witty. He knew he could take credit for the accomplishments of others if he just did a memory charm. This disproves the fact that all bad witches and wizards are from Slytherin house.

1. Hufflepuff
   Ravenclaw
2. Gryffindor
   Slytherin

Being the Minister of Magic is no small feat. Many believe that Fudge's qualities are a mixture of Slytherin and Hufflepuff, as he is a strong thinker, but his vanity gets in the way of how he sees the world.