As per popular demand, I present, in no particular order:
Pyro699 as Harry Potter
Scot as Ginny Weasley
Elle as Hermione Granger
Strategist as Ron Weasley
Punkrockbigmouth as Severus Snape
Sweeney as Lucius Malfoy
Nymh as Narcissa Malfoy
redlion as Mad-eye Moody
Kate as Nymphadora Tonks
Sarah as Bellatrix Lestrange
Yung as Voldemort
iargue as Quirrell
Aritifical as Fred Weasley
Drakonid as George Weasley
Hydrogen as Albus Dumbledore
Waser Lave as Aberforth Dumbledore
Kat as Luna Lovegood
Elindoril as Neville Longbottom
Turnip as Hannah Abbott
Emily as Lavender Brown
Bone as Draco Malfoy
Trichomes as Pansy Parkinson
Cronus as Vincent Crabbe
Boggart as Gregory Goyle
Napiform as Sybill Trelawney
onlyme as Hagrid
Pyro699 as Harry Potter
Scot as Ginny Weasley
Elle as Hermione Granger
Strategist as Ron Weasley
Punkrockbigmouth as Severus Snape
Sweeney as Lucius Malfoy
Nymh as Narcissa Malfoy
redlion as Mad-eye Moody
Kate as Nymphadora Tonks
Sarah as Bellatrix Lestrange
Yung as Voldemort
iargue as Quirrell
Aritifical as Fred Weasley
Drakonid as George Weasley
Hydrogen as Albus Dumbledore
Waser Lave as Aberforth Dumbledore
Kat as Luna Lovegood
Elindoril as Neville Longbottom
Turnip as Hannah Abbott
Emily as Lavender Brown
Bone as Draco Malfoy
Trichomes as Pansy Parkinson
Cronus as Vincent Crabbe
Boggart as Gregory Goyle
Napiform as Sybill Trelawney
onlyme as Hagrid