A-Albus Dumbledore(Head Master of Hogwarts School)
B-Basilik(A huge serpent which lived in the Chamber of Secrets)
C-Centaurs(Half man and half horses)
D-Diagon Alley(A hidden wizarding district in London)
E-Elder wand(A wand which will always make it's owner to win over his opponent)
F-Fawkes(The pet Pheonix of Dumbledore)
G-Grawp(A gaint and Hagrid's half brother)
H-Hagrid(The game keeper of Hogwarts School)
I-Imperius Curse(A curse used to control somebody out of his will)
J-James Potter(Fahter of Harry)
K-Kings Cross Station(A wizarding railway station)
L-Lily Potter(Harry's mother)
M-Mad-Eye Moody(Harry's DADA teacher in his fourth year and a mamber of the Order)
N- Narcissa Malfoy(Draco Malfoy's mother and a Death Eater)
O-Order of the Pheonix(A secret society made by Dumbledore to fight Voldemort and his followers)
P-Pheonix(A holy creature in the wizarding world)
Q-Harry's DADA teacher in his first year)
R-Ron Weasley(One of Harry's closest friend)
S-Sirius Black(Harry's Godfather and his father's best friend)
T-Triwizard Cup(An inter school competition)
U-Umbridge(Harry's DADA teacher in his fifth year)
V-Voldemort(The darkest wizard ever known)
W-Werewolves(Men who turn in a wolf on a full moon night are called werewolvae)
X-Xenophilius Lovegood(Luna Lovegood's father)
Y-Yaxley(A Death Eater)
Z-Zonkos Joke shop(A shop in Hogs Meade,a wizarding village near Hogwarts School)