They were both born on July 31.
Who are Harry Potter and J.K. Rowling?
The Black Family's house elf.
Who was Kreacher?
The meaning of Dumbledore's name
What is bumblebee?
It makes you break out in purple pustules
What is spattergroit?
Harry spoke this language for the first time on Dudley's eleventh birthday.
What is Parseltongue?
He was drowned by the inferi.
Who was Regulus Arcturus Black?
Another name for Monkshood and Wolfsbane
What is Aconite?
A goat's stomach
Where do bezoars come from?
New Year's Eve
When is Voldemort's birthday?
Sirius's cousins
Bellatric, Narcissa and Andromeda
What Grunnings makes
What are drills?
A "sweet" that makes you vomit
What is a puking pastille?
April Fool's Day
What is Fred and George's birthday?
Sirius's parents and brother
Who were Orion and Walpurga Black and Regulus Arcturus Black?
62442 (spells MAGIC on a telephone keypad)
What is the code to the red telephone booth that is the visitor's entrance to the Ministry of Magic?
Ear Wax
What flavor of Any Flavored Bean did Dumbledore eat?
Fenrir Greyback gave this "gift" to Remus Lupin just before his fifth birthday.
What is a werewolf bite?
They both died laughing
Who are Sirius Black and Fred Weasley?
A map of the London Underground
What is the scar above Dumbledore's left knee?
Fourth year students squeezed this acne remedy into bottles in Herbology class
What is bubotuber pus?