Flamel, Nicolas - made Sorcerers Stone
Flitwick, Filius - tiny professor of charms, stands on books to see over desk
Goyle, Gregory - one of Malfoy's large, slow-witted, thuggish cronies
Weasley, Fred and George - funny, clever, mischievous twins, want to open a joke shop someday
Errol - Weasley family owl, old and weak
Patronus conjured with incantation "expecto patronum" can provide protection from Dementors
Shrieking Shack - Hogsmeade haunted house