Other Humans
??, Archie - old wizard that prefered to wear a flowery nightdress at the World Cup
??, Dennis - Dudley's muggle friend
??, Tom - bartender at the Leaky Cauldren
??, Yvonne - Petunia's friend
Bryce, Frank - old muggle that was murdered by Lord Voldemort, Riddle's old gardener
Crockford, Dorris - Witch in the Leaky Cauldron that kept shaking Harry's hand
Diggle, Dedalus - exciteable wizard with a purple hat
Dumbledore, Aberforth - Albus's brother
Evans, Mark - 10 year old that Dudley beat up (possibly wizard?)
Johnson, Angelina - former Hogwarts student, former Gryffindor Chaser/Captain
Figg, Arabella - squib, (Order of the Phoenix??)
Macnair, ? - excutioner, Death Eater
Malkin, Madam - Owner of "Madam Malkins Robes for All Ocassions"
Mason, Mr. and Mrs. - Vernon tries to make a deal with them before Dobby ruins it
Ollivander, ??? - Owner of Ollivander's Fine Wands shop
Perkins, ? - Person who lent the tents to Mr. Weasley for the World Cup
Pettigrew, Peter
Polkiss, Piers - Dudley's muggle friend
Prang, Ernie (driver of the Knight bus)
Rosmerta, Madam (bartender at the Three Broomsticks)
Shunpike, Stan (conductor? of the Knight Bus)
Skeeter, Rita - Reporter for the Daily Prophet
Warbeck, Celestina - popular witch singer
Weasley, Bill - Cursebreaker for Gringotts Wizard Bank
Weasley, Charlie - works with Dragons in Romania
Weasley, Fred and George - owners of "Weasleys Wizard Wheezes"
Wood, Oliver - Keeper for Puddlemere United
Triwizard Tournament
Delacour, Fleur - Champion of Beauxbatons
Delacour, Gabrielle - Fleur's little sister that was a hostage in the second task
Karkaroff, Igor - Headmaster of Durmstrang, former Death Eater
Krum, Viktor - Champion of Durmstrang
Maxime, Olympe - Headmistress of Beauxbatons, helps Hagrid with Giant mission
Authors
Bagshot, Bathilda - "A History of Magic"
Goshawk, Miranda - "Standard Book of Spells" series
Jigger, Arsenius - "Magical Drafts and Potions"
Scamander, Newt - "Fantastic Beasts and Where to Find Them"
Spore, Phyllida - "1000 Magical Herbs and Fungi"
Switch, Emeric - "A Beginner's Guide to Transfiguration"
Trimble, Quentin - "The Dark Forces: Guide to Self Protection"
Vablatsky, Cassandra - Unfogging the Future
Viridian, Vindictus - "Curses and Counter-Curses"
Waffling, Adalbert - "A Magical Theory"
Whisp, Kennilworthy - "Quidditch Through the Ages"
Creatures and other Entities
Aragog - Aracnomantula from Bk. 2
Basilisk - Giant serpent from Bk. 2
Bane - Centaur
Buckbeak - Hippogriff
Delaney-Podmore, Sir Patrick - Leader of the headless hunt
Crookshanks - Hermione's cat
Dementors
Dobby - House Elf
Fang - Hagrid's dog
Hedwig - Harry's owl
Moony - Remus Lupin as a werewolf
Padfoot - Sirius Black as big black dog
Pigwidgeon aka Pig - Ron's owl
Prongs - James Potter as a stag
Ripper - Aunt Marge's favourite pitbull
Ronan - Centaur
Trevor - Neville's toad
Scabbers - Ron's rat, aka Peter Pettigrew
Winky - House Elf
Wormtail - Peter Pettigrew as a rat, aka Scabbers
Wizards and Witches on Chocolate Frog Cards
Agrippa
Alberic
Circe
Dumbledore
Hengist of Woodcraft
Ptolemy