Who are..
Ginny, Ron, Fred, George, Percy, Bill, Charlie
100
"King of the Arachnids" Hagrid's school companion was rumored to be the "Dangerous Monster" in the Chamber of Secrets. He has 8 legs and lots of hungry children.
Who is Aragog?
100
The symbol (animal) of the Hufflepuff house.
What is a badger?
100
The people who are present when Harry is dropped on the Dursley's doorstep.
Who are Hagrid, Dumbledore, and Mcgonagall?
100
The magical device that is used by Hermione and Harry to save Buckbeak and Sirius in Book 3.
Side note: For some reason, this device is never used again in the rest of series. It may have been nice to use it to help stop Voldemort. One of many great oversights by J.K. Rowling.
What is a Timeturner?
200
He is the owner and barman of the Hog's Head Inn. Also, Albus' brother.
Who is Aberforth?
200
A giant who Harry, Hermione, and Ron look after. Also, Hagrid's half-brother.
Who is Grawp?
200
The Founders of the Four Houses
(Just last names don't count!)
Who are...
Godric Gryffindor, Rowena Ravenclaw, Helga Hufflepuff, And Salazaar Slytherin?
200
This person is responsible for the petrified attacks in the second book.
Must include full name.
Who is Tom Marvolo Riddle?
200
After mountains of mice exploded and several long pumpkins fell out of McGonagall, Dumbledore said this to the pig of Hufflepuff which eerily resembled a large bullfrog.
What is, "You are Hargrid now."?
300
A centaur who protected Harry in the forbidden forest in the first book.
Who is Firenze?
300
The creature that was part of the third task in the Triwizard tournament who presented Harry with a riddle.
Side point: This never made it to the movies for whatever reason.
What is a sphinx?
300
The house that Luna Lovegood is in.
What is Ravenclaw?
300
The family who is rumored to be the original owners of the deathly hallows.
Who are the Peverells?
300
The number of goal posts on a Quidditch pitch.
What is 6?
400
The Poltergeist who wreaked havoc at school, made "Icle Firsties" hate life, and always help distract Filch for Fred and George.
Who is Peeves?
400
Inside the cave, these creatures surrounded Harry and Albus and tried pulling them into the water.
What are Inferi?
400
In Book 1, this house wins the House Cup.
What is Gryffindor?
400
The patronus of Lily and Snape.
What is a doe?
400
In Harry Potter and the Prisoner of Azkaban, the place the Knight Bus drops Harry off.
What is the Leaky Cauldron?
500
The brother of Sirius, who first stole the locket from cave.
*Hint* Must include middle initial in answer.
Who is Regulus A. Black?
500
Their bottom halves are like jelly fish, their top halves barely resemble a human with jelly fish hair, they live underwater, and Fleur never got past them!
What are grindylows?
500
The horcrux associated with Ravenclaw.
What is the lost diadem of Rowena Ravenclaw?
500
The unforgivable curse Harry uses in the Deathly Hallows.
What is the Imperius Curse?
500
The age of Dumbledore (yes. we actually know. JKR told us.)