Of the four House ghosts, the two whose names are alliterative
Fat Friar and Bloody Baron
Fawkes
Phoenix
Harry's Defense Against the Dark Arts teacher during his first year at Hogwarts
Professor Quirrell
Cho Chang
Ravenclaw
"I’m going to bed before either of you come up with another clever idea to get us killed or worse… expelled!"
Hermione Granger
Of the people who got petrified by the Basilisk, the only one with an alliterative name
Colin Creevey
Buckbeak
Hippogriff
Wormtail
Peter Pettigrew
Justin Finch-Fletchley
"It isn't much...but it's home."
Ronald Weasley
Ron's date to the Yule Ball
Padma Patil
Grawp
Giant
The werewolf who bit Remus Lupin
Fenrir Greyback
Marcus Flint
Slytherin
“Family…Whatever yeh say, blood’s important. . . .”
Hagrid
Author of "A History of Magic"
Bathilda Bagshot
Aragog (and be specific!)
Acromantula
Escaped from Azkaban with the help of his mother
Barty Crouch, Jr.
Susan Bones
Hufflepuff
“Never trust anything that can think for itself if you can’t see where it keeps its brain.”
Arthur Weasley
Dudley Dursley's best friend who accompanies him to the zoo for his birthday
Piers Polkiss
Arnold
Pygmy Puff
The siblings appointed as Hogwarts professors in the seventh book
Alecto and Amycus Carrow
Katie Bell
Gryffindor
“If you want to know what a man’s like, take a good look at how he treats his inferiors, not his equals.”
Sirius Black