Kreacher - elf at Black's house
Longbottom, Neville raised by grandmother
Moody, Mad-Eye Alastor - an Auror, with electric-blue swiveling eye that can see through solids, clawed wooden foot
Weasley, Ginny - youngest in family, likes Harry
Fang - Hagrid's black boarhound
Diagon Alley enter through Leaky Cauldron
Firebolt - Harry's second broomstick
Hogwarts Express - scarlet steam engine leaves from platform 9-3/4 at King's Cross Station, London
Horcrux - is an object in which a person has concealed part of their soul.
Madam Malkin’s - in Diagon Alley has Hogwarts uniforms