Harry Potter Creature Picker

Harry Potter Magical Creature Picker

What climbs out of the case?

Creatures in the case

Tap a creature to keep it in the case — all 16 fit at once, and you can add your own.

Pick which magical creatures are in the case, then rattle it. It shakes harder and harder until the lid bursts open — and one beast climbs out, with a line on exactly what you have just let loose.

  • Fanfic beasts
  • Tabletop scenes
  • Quiz rounds
Random HP Creature Picker

A random magical creature, straight out of the case

The Harry Potter Creature Picker chooses one of sixteen magical creatures at random — but instead of spinning a wheel at a list, you let one out of a case. Rattle the lid, watch the case shake harder and harder while shapes jostle behind the slats, and see what climbs out when it finally bursts open. Sometimes it is a niffler. Sometimes it is an acromantula, and you should have run.

How it works

Choose the creatures

Tap the beasts you want in the case. All sixteen fit at once, or narrow it to the shortlist your scene actually needs.

Rattle the case

The case judders and strains, harder and harder, with a blur of creatures flashing behind the gaps in the slats.

The lid bursts

The rattling peaks and the lid flies open on its hinge in a spray of light and dust.

See what you got

One creature rises out and a hanging tag drops in below with its name — and a line on what you have let loose.

The sixteen creatures, and what you just let out

A name on its own is not much of an encounter — "you got a thestral" lands differently once you know it is a skeletal winged horse that only the bereaved can see. Every result here comes with a line on the beast, and the object that stands in for it on the case.

CreatureClassOn the caseIn one line
DragonBeast (XXXXX)Horned head + wingArmoured, fire-breathing, and near-impossible to keep. Ten breeds, none safe.
PhoenixBeast (XXXX)A rising firebirdBursts into flame and is reborn from the ash. Loyal, and carries huge loads.
HippogriffBeast (XXX)Eagle head + haunchEagle in front, horse behind, fiercely proud. Bow first, and it may let you ride.
BasiliskBeast (XXXXX)A crested serpentKing of serpents. A direct look kills; even its reflection petrifies.
ThestralBeast (XXXX)Skeletal winged horseGentle in the dark, visible only to those who have watched someone die.
UnicornBeast (XXXX)Horned horse headPure, impossibly fast, and its blood keeps you alive at a terrible price.
NifflerBeast (XXX)Snout + a gold coinA soft digger with a bottomless pouch and a helpless love of anything shiny.
BowtruckleBeast (XX)A twig-limbed figureA tiny tree guardian. It will pick a lock for a friend and jab an eye for an enemy.
DementorNon-classifiableA hooded wraithFeeds on happiness and leaves you your worst memories. Only a Patronus repels it.
BoggartNon-classifiableEyes in a wardrobeBecomes whatever frightens you most. Its true form is unknown. Laugh at it.
AcromantulaBeast (XXXXX)An eight-legged spiderA house-sized spider with a taste for flesh and a colony behind it. Run.
MerpersonBeingA tail + tridentDwells in cold water; its song screeches above the surface and enchants below it.
GiantBeingA club-bearing figureTwenty feet of bad temper and blunt force, nearly extinct and easily provoked.
CentaurBeing (self-styled beast)A horse-body archerHalf human, half horse, and wholly done with wizards. A brilliant astronomer.
WerewolfBeing / BeastA howling head + moonAn ordinary person most days; a lethal, mindless wolf under the full moon.
House ElfBeingBig ears + tunicSmall, powerful and fiercely devoted — until someone hands it clothes, and it is free.

Why a case, and not a wheel

A picker for creatures had an obvious wrong answer: a spinning wheel with sixteen names on it. It would work, and it would waste the best thing a creature has, which is the not-knowing. The whole appeal of a magical beast is the moment before you see it — the case straining, the lid banging, the shapes moving behind the slats — and then the thing itself, climbing out.

So that is the mechanic. The rattle building to a burst is the pick, and it is an encounter rather than a dial coming to rest. It also keeps the page off the one shape a site built on not-being-a-wheel most needs to avoid: a pointer going round a ring.

The ones you don't want to draw

Half of this case is a creature you would be delighted to meet and half is one you would sprint away from. A niffler is a soft-bellied thief; an acromantula is a spider the size of a car with a colony behind it. A unicorn is the most protected creature in the wizarding world; a dementor is the least welcome thing in it. A phoenix will carry you to safety; a basilisk will kill you if you so much as glance at it.

That split is exactly what makes the draw worth doing. A case of nothing but friendly beasts has no stakes; the chance that the lid bursts open on something with too many legs and teeth is the whole reason to rattle it.

A shortlist beats the whole case. Sixteen creatures means each one comes up about one run in sixteen. If you are drawing a creature for a scene you will actually write, put in only the four or five that would genuinely change what happens next.

Beasts, beings and spirits

The wizarding world sorts its creatures into rough classes, and the case deliberately holds a spread of them. The beasts are the animals — the dragon, the hippogriff, the niffler, the acromantula — graded from a harmless XX up to the XXXXX reserved for the ones no wizard should keep. The beings are the creatures with enough intelligence and voice to sit at a table and be reasoned with, or refuse to be: the merperson, the giant, the house elf, and the centaur, who is bright enough to qualify as a being and proud enough to reject the label.

Then there are the ones that fit nowhere. A dementor is not really alive, and a boggart has no fixed form to classify, which is why the case treats them as their own category — the spirits and the shapeshifters that the tidy grading system quietly gives up on.

Ways people use it

Writing a scene

Draw a creature and drop it into the next chapter. The beast does half the work — a chapter with a niffler in it is a different chapter from one with an acromantula.

Tabletop and fan RPGs

Roll for what is in the crate, what the party finds in the forest, or what the lesson is studying this week. The dangerous draws make the best sessions.

Quiz and trivia rounds

Draw a creature and ask the table what class it is, how you handle it, or what repels it. The obscure beasts make far better questions than the dragon does.

Which-beast-are-you

Let the case decide your magical creature for a bio, a profile, or an argument. It is more fun when it hands you a boggart than when you pick a phoenix.

Why the artwork is silhouettes

Every drawing here is original, which rules out a faithful depiction of any of these creatures — those designs belong to their illustrators and studios. Each beast is a plain silhouette instead, drawn in the same wizarding ink style as the rest of the Harry Potter set: a dragon's horned head and spread wing, a spider's eight splayed legs, a hooded wraith with a reaching hand, a small figure with enormous ears.

The silhouettes also have a job. A creature flashes past fast behind the slats during the rattle, so the emblem has to read as an outline, not a portrait — a shape you recognise before you have finished looking. It is the same constraint the character picker and the location picker work under, which is why the wizarding pages look like one set.

A fair pick, every time

The creature is chosen by your browser's cryptographic random generator before the case moves, and the rattle is then built to burst open on that one. It uses rejection sampling, which removes even the tiny bias a plain remainder would leave, so every creature in the case has exactly equal odds — and the glimpse order behind the slats is reshuffled on every run, so nothing about the animation favours one beast. The encounter is theatre; the decision was already made fairly.

More wizarding pickers

After something other than a creature? Try these:

Frequently asked questions

The creature is drawn with your browser's cryptographic random generator before the case moves, using rejection sampling so there is no bias, and the rattle is then choreographed to burst open on that one. The glimpse order behind the slats is reshuffled on every run, so no creature is luckier than another.

Sixteen: Dragon, Phoenix, Hippogriff, Basilisk, Thestral, Unicorn, Niffler, Bowtruckle, Dementor, Boggart, Acromantula, Merperson, Giant, Centaur, Werewolf and House Elf. That spans the beasts, the beings and the spirits — the ones you would want to meet and several you very much would not.

Because the fun of a creature is not knowing what it is until it is out. A case that shakes, strains and bursts open is that moment; a wheel is a pointer sliding to a stop. The random pick underneath is the same either way, but the case is the encounter.

Yes. Type any creature into the 'Add your own creature' box and it goes into the case with exactly the same odds as everything else — handy for a beast from your own story, a pet, or a creature the list leaves out.

Yes, and it is the best way to use it. Tap off everything you are not choosing between and the draw runs on what is left — the friendly ones only, the dangerous ones only, or any shortlist your scene actually needs.

Because every drawing here is original, and a faithful depiction would copy someone else's design. Each creature is a plain stylised silhouette instead, in the same wizarding ink style as the other Harry Potter pickers — a dragon's horned head, a spider's eight legs, a hooded wraith. The shape names the creature; the tag confirms it.

Yes. The winner is chosen by a cryptographically secure generator with rejection sampling, which removes even the tiny bias a plain remainder would leave, so every creature in the case has exactly equal odds on every run. The rattle is theatre; the decision was already made fairly.

Completely free, with no signup and no ads in the tool itself. It runs entirely in your browser and works on phones, tablets and laptops.