How do you make a DIY Toothless tail?

You can sew a simple tube of black fleece, stuff it with polyester fiberfill, and sew a red felt fin to the left side of the tip to replicate Hiccup's prosthetic repair.

What color are Toothless's eyes?

Toothless has large, bright, expressive acidic-green eyes with dark, cat-like slit pupils.

Is a Toothless costume good for cold weather?

Yes, because the base is typically a fleece hoodie, sweatpants, or a full-body onesie, it is exceptionally warm and easy to layer.

Dog toothless costume

A lightweight black harness with small felt wings and a tail turns any black cat or dog into a mini Night Fury.

Children's toothless costume

A cozy, one-piece fleece Toothless jumpsuit is perfect for keeping kids warm while trick-or-treating.

AI-generated example

Toothless Costume

Become the sleek, lovable Night Fury from How to Train Your Dragon.

Toothless is the iconic, jet-black Night Fury dragon from DreamWorks' How to Train Your Dragon franchise. Fans of all ages choose this costume for its sleek, mythical look and lovable personality. The costume consists of a black base outfit, large dragon wings, a tail with a red prosthetic fin, and expressive green eyes.

Difficulty: Easy
Time: ~30 min
Budget: $25–75

See yourself as Toothless →What you need Buy the Toothless costume

Try it on

See yourself as Toothless

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

Choose or drop a photo of yourselfJPG · PNG · HEIC

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.

Want a different costume on this photo, or a whole group in costume? Open the Try-On Studio.

Toothless costume — Example look · AI-generated

You as Toothless

Result

What you need for a Toothless costume

Short on time? Buy it ready-made

Spirit Halloween sells the complete Toothless costume — one box instead of 5 pieces.

Shop Toothless at Spirit ↗

Black hooded sweatshirt or onesie
A solid black fleece hoodie or full-body onesie serves as the sleek dragon body.
DIY: Use any plain black hoodie and black sweatpants you already own.
Amazon
Black dragon wings
Felt or lightweight foam bat-style wings that secure with shoulder straps.
DIY: Cut wing shapes out of stiff black felt or cardboard and attach elastic arm loops.
Amazon
Dragon tail with red fin
A stuffed black fabric tail featuring Toothless's signature red prosthetic tail fin on one side.
DIY: Stuff a black knee sock with batting, attach felt scales, and add a red felt fin to the tip.
Amazon
Toothless mask or hood eyes
A face mask or hood attachments featuring large, expressive bright green dragon eyes.
DIY: Cut large oval eyes out of green felt, draw slit pupils with a black marker, and fabric-glue them to the hood.
Amazon
Black gloves with claws
Simple black fabric gloves to represent the dragon's claws.
DIY: Glue small triangles of black felt to the fingertips of cheap black knit gloves.
Amazon

Rather not assemble it? See ready-made Toothless costumes at Spirit Halloween ↗

How to put it together

1
Put on the black hooded sweatshirt, onesie, or black top and pants base layer.
2
Secure the dragon wings over your shoulders using the elastic straps, adjusting them so they sit high on your back.
3
Attach the stuffed dragon tail to your waistline or belt, ensuring the red prosthetic fin is visible at the bottom.
4
If using a mask, secure it over your face; if using a decorated hood, pull the hood up to display the green eyes.
5
Put on the black gloves to complete the clawed look.
6
Adjust the wings and tail to ensure you can move comfortably and safely.

Makeup & hair

If not using a mask, apply black face paint around your eyes and nose to blend in with the hood, or paint small green dragon scales on your cheekbones.

Toothless for couples, groups, kids & more

couples: Pair up with Hiccup in Viking armor for the ultimate rider-and-dragon duo.
group: Gather a group to dress as different dragons like Light Fury, Stormfly, and Meatlug.
kids: A cozy, one-piece fleece Toothless jumpsuit is perfect for keeping kids warm while trick-or-treating.
Plus size: A loose-fitting black fleece onesie offers a highly comfortable, flexible, and warm fit for all body types.
pet: A lightweight black harness with small felt wings and a tail turns any black cat or dog into a mini Night Fury.

More ways people search for this costume

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

Dog toothless costume: A lightweight black harness with small felt wings and a tail turns any black cat or dog into a mini Night Fury.
Children's toothless costume: A cozy, one-piece fleece Toothless jumpsuit is perfect for keeping kids warm while trick-or-treating.

Tips

Keep the wings lightweight so they do not drag or snag on crowds during Halloween events.
If trick-or-treating in cold weather, a fleece onesie or oversized hoodie allows you to layer warm clothes underneath.
Ensure the tail is pinned securely so it doesn't trip you up while walking or sitting down.

Toothless costume FAQ

How do you make a DIY Toothless tail?: You can sew a simple tube of black fleece, stuff it with polyester fiberfill, and sew a red felt fin to the left side of the tip to replicate Hiccup's prosthetic repair.
What color are Toothless's eyes?: Toothless has large, bright, expressive acidic-green eyes with dark, cat-like slit pupils.
Is a Toothless costume good for cold weather?: Yes, because the base is typically a fleece hoodie, sweatpants, or a full-body onesie, it is exceptionally warm and easy to layer.

Did you know? In the original books by Cressida Cowell, Toothless was actually a very small, green, common garden dragon who had no teeth, but DreamWorks redesigned him as a sleek, black, powerful Night Fury for the films.