The founders
The Weasley family
Horcruxes
Voldemort
D.A.D.A. Teachers
100

The founders of Hogwarts.

Who are Godric Griffindor, Salazar Slytherin, Rowena Ravenclaw, and Helga Hufflepuff?

100

All the Weasleys.

Who are Molly, Arthur, William, Charlie, Percy, Fred, George, Ronald, and Ginerva?

100

This horcrux was destroyed in the chamber of secrets.

What is Tom Riddle's  diary?

100

His real name is Tom Riddle Jr.

Who is Voldemort?

100

Harry's first D.A.D.A. teacher.

Who is Quirrle?

200

Owns a sword, sorting hat, and is most peoples favorite house.

Who is  Godric Griffindor?

200

Charlie Weasley's job.

What is a dragon trainer?

200

These belonged to Ravenclaw and Hufflepuff.

What are the diadem and cup?

200

The name of Tom's orphanage.

What is Wool's Orphanage?

200

He is also known as the Half-Blood Prince.

Who is Snape?

300

Owns a diadem, is known for being smart, and her daughter is the Grey Lady. 

Who is Rowena Ravenclaw?

300

This is where Ginny and Harry kissed.

What is the Griffindor common room?

300

This is also one of the Deathly Hallows.

What is the Resurrection Stone?

300

The name of Voldemort's followers.

Who are the Death Eaters?

300

He is a werewolf.

Who is Lupin?

400

Owns a cup and is known for being extremely nice.

Who is Helga Hufflepuff?

400

This Weasley is scared by a werewolf.

Who is Bill Weasely?

400

This one is a pet.

Who is Nagini?

400

The only person he cared about.

Who is Bellatrix Lestrange?

400

His favorite color is lilac, he is super famous, and got his memory wiped.

Who is Gildoroy Lockhart.

500

Owns a giant snake, a locket, and is Godric's best friend.

Who is Salazar Slytherin?

500

This Weasley is a traitor.

Who is Percy?

500

This horcrux is a person and was made by accident.

Who is Harry Potter?

500

Voldemort's dad.

Who is Tom Riddle Sr.

500

She was only hired because of the ministry.

Who is Umbrige?