Monsters Inc. costume — example look
AI-generated example

Monsters Inc. Costume

Scare up some fun with a cozy, iconic Sulley look.

Bring the magic of Monstropolis to life with a cozy, vibrant Sulley costume from Disney Pixar's Monsters Inc. Perfect for families, couples, and solo fans, this look is instantly recognizable thanks to its signature turquoise fur and purple spots. Whether you opt for a plush jumpsuit or a DIY hoodie, this guide has everything you need to look monstrously good.

Difficulty
Easy
Time
~30 min
Budget
$3090

Try it on

See yourself as Monsters Inc.

One clear photo of yourself; we render you in this costume — face untouched, full body, about 20 seconds.

One render, $1. No account needed — if it fails you're not charged. Pricing.

Your photo is sent to Google's Gemini API to make the render and isn't used for training. Renders are AI-generated and labelled.

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Monsters Inc. costume
Example look · AI-generated
You as Monsters Inc.
Result

What you need for a Monsters Inc. costume

Short on time? Buy it ready-made

Spirit Halloween sells the complete Monsters Inc. costume — one box instead of 6 pieces.

Shop Monsters Inc. at Spirit ↗
  • Turquoise fuzzy jumpsuit or hoodie

    A plush, bright turquoise-blue hooded jumpsuit or oversized fleece hoodie with attached horns.

    DIY: Use a plain turquoise hoodie and sew or glue two stuffed light-gray felt horns onto the hood.

  • Purple felt sheets

    Used to cut out Sulley's signature round purple spots to attach to the back and limbs.

    DIY: Cut organic circle shapes out of an old purple t-shirt.

  • Fabric glue or safety pins

    For securing the purple felt spots onto the turquoise fabric.

    DIY: Use safety pins for a temporary, reusable option.

  • Blue and purple monster tail

    A stuffed, matching turquoise tail with purple spots and felt spikes, attached to the back of the waist.

    DIY: Stuff a long turquoise knee sock with polyester fiberfill and fabric-glue purple felt circles onto it.

  • Monsters Inc. hard hat

    A blue plastic construction hard hat featuring the classic 'M' eye logo.

    DIY: Buy a plain blue toy hard hat and draw or print the 'M' logo to tape onto the front.

  • Blue face paint

    Optional, to paint the nose black or add subtle blue and purple accents around the eyes.

    DIY: Use a black eyeliner pencil to draw a cute, rounded monster nose.

Rather not assemble it? See ready-made Monsters Inc. costumes at Spirit Halloween ↗

How to put it together

  1. 1

    Lay out your turquoise jumpsuit or hoodie flat on a clean workspace.

  2. 2

    Cut out various sizes of circular and organic-shaped spots from the purple felt sheets.

  3. 3

    Use fabric glue or safety pins to distribute and secure the purple spots across the back, shoulders, and sleeves of the garment.

  4. 4

    Attach the stuffed monster tail to the lower back of the jumpsuit or waistband of your pants using a safety pin or fabric glue.

  5. 5

    Put on the jumpsuit or hoodie, pulling the hood up to display the horns.

  6. 6

    Place the blue Monsters Inc. hard hat on your head, either over the hood or directly on your hair.

  7. 7

    Complete the look with comfortable blue or black sneakers.

Makeup & hair

Keep it simple by styling your hair flat under the hood or hard hat. For a fun touch, use a dab of black face paint or eyeliner to draw a small, rounded monster nose, and add a touch of blue face paint to your cheeks.

Monsters Inc. for couples, groups, kids & more

couples
Pair Sulley with a bright green Mike Wazowski costume (using a green t-shirt with a giant eye) or a Boo costume (pink oversized tee and purple leggings).
group
Assemble the ultimate scare team with Sulley, Mike Wazowski, Boo in her purple monster suit, and Celia Mae with her snake hair.
kids
Dress toddlers in a plush, hooded Sulley romper or a pink oversized t-shirt with pigtails for Boo.
Plus size
Opt for an oversized turquoise fleece hoodie and matching sweatpants, which offer a comfortable, adjustable, and highly breathable fit.
pet
Dress your dog in a simple green Mike Wazowski tee or a small turquoise pet sweater with felt horns.

More ways people search for this costume

The most-searched variations of “Monsters Inc. costume”, and how this look adapts to each.

Diy monster inc costume

Skip the store: Use a plain turquoise hoodie and sew or glue two stuffed light-gray felt horns onto the hood. Cut organic circle shapes out of an old purple t-shirt. Use safety pins for a temporary, reusable option.

Dog costume monsters inc

Dress your dog in a simple green Mike Wazowski tee or a small turquoise pet sweater with felt horns.

Tips

  • Use safety pins instead of fabric glue if you want to reuse the turquoise hoodie or jumpsuit for everyday wear after Halloween.
  • Jumpsuits can get very warm indoors; wear lightweight, breathable cotton layers underneath to stay comfortable.
  • For great photos, practice your best 'scare pose' with wide eyes, raised hands, and curved claws.
  • If you're trick-or-treating in cold weather, the plush fleece material of a Sulley jumpsuit naturally keeps you warm.

Monsters Inc. costume FAQ

How do I make a DIY Mike Wazowski costume?
Wear a bright lime green t-shirt or sweatshirt and use white, black, and blue felt sheets to create a giant single eye and a smiling mouth, then glue them to the front of the shirt.
What do I need for a Boo costume?
You need an oversized pink t-shirt, purple leggings, white sneakers, and your hair styled into two high pigtails with pink hair ties.
Can I make a Sulley costume without sewing?
Yes, you can easily use permanent fabric glue or safety pins to attach purple felt spots and a tail to a plain turquoise hoodie and sweatpants.
Where can I find a Monsters Inc. hard hat?
You can buy a plain blue plastic toy hard hat online and print or draw the Monsters Inc. 'M' logo on sticker paper to stick onto the front.

Did you know? Sulley has more than 2.3 million individual hairs on his body, which required Pixar animators to develop a brand-new fur simulation program called 'Fitz' just to render his realistic movement.