What pajamas does JJ wear in CoComelon?

JJ is most famous for wearing a light blue and white horizontally striped pajama onesie, though he also occasionally wears animal-themed pajamas like a shark or dinosaur.

How do you make JJ's hair curl?

You can create his signature single curl by using strong-hold hair gel or wax on a small front section of hair, or by crafting a curl out of yellow felt and securing it with a bobby pin.

Is there an adult version of the CoComelon costume?

Yes, adults can easily recreate the look using adult-sized blue and white striped pajamas, or by wearing a full-body green mascot costume shaped like the CoComelon watermelon.

AI-generated example

Cocomelon Costume

Bring the beloved toddler JJ to life with his signature pajamas.

JJ is the cheerful, baby-faced star of the massive children's franchise CoComelon, famous for his catchy nursery rhymes and positive attitude. Dressing up as JJ is a massive hit for toddlers, parents, and teachers alike, making it a highly recognizable and family-friendly choice. The look centers on his iconic blue-and-white striped pajama onesie, his favorite teddy bear, and his single blonde curl.

Difficulty: Easy
Time: ~15 min
Budget: $20–50

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

Try it on

See yourself as Cocomelon

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.

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

Cocomelon costume — Example look · AI-generated

You as Cocomelon

Result

What you need for a Cocomelon costume

Short on time? Buy it ready-made

Spirit Halloween sells the complete Cocomelon costume — one box instead of 4 pieces.

Shop Cocomelon at Spirit ↗

Blue and White Striped Pajamas
A footless, snug-fit cotton onesie or two-piece pajama set with horizontal light blue and white stripes.
DIY: Use a plain light blue pajama set and paint horizontal white stripes across it using fabric paint.
Amazon
Plush Teddy Bear
A small, classic brown plush teddy bear to carry around, representing JJ's favorite toy, Teddy.
Amazon
Yellow Hair Gel or Clay
Temporary yellow hair chalk, washable color spray, or strong-hold styling gel to form his signature curl.
DIY: Cut a small curl shape out of yellow felt and attach it to a clear headband or bobby pin.
Amazon
White Socks or Slip-on Shoes
Simple white socks or clean white canvas slip-on shoes to complete the indoor pajama look.
Amazon

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

How to put it together

1
Put on the light blue and white horizontally striped pajama set.
2
If using hair chalk or spray, apply it to a small section of hair right at the front hairline.
3
Style the colored section of hair into a single, prominent upward curl using strong-hold gel or hairspray.
4
Put on clean white socks or white slip-on shoes for comfortable walking.
5
Tuck the small brown plush teddy bear under one arm to complete the iconic JJ look.

Makeup & hair

Keep makeup clean and natural. For the hair, style a single, prominent lock of hair at the center of the forehead into a small, upward-pointing curl, colored bright blonde or yellow using temporary hair chalk.

Cocomelon for couples, groups, kids & more

couples: Pair JJ with another CoComelon character like Cody, or have an adult dress up as the green CoComelon watermelon mascot.
group: Gather a group to dress as JJ's friends and family, including Cody, Nina, YoYo, TomTom, and Mom or Dad.
kids: This is the ultimate toddler costume; use a cozy fleece footed onesie for warmth during outdoor trick-or-treating.
Plus size: Choose a comfortable, loose-fitting adult-sized blue and white striped pajama set or jumpsuit.
pet: Dress a pet in a small green-and-pink striped sweater to look like the CoComelon watermelon.

Tips

Prioritize comfort by choosing soft, breathable cotton pajamas, especially for toddlers who might wear the costume for hours.
If trick-or-treating outdoors in cool weather, layer a warm thermal undershirt and leggings beneath the pajamas.
Keep the teddy bear secured to the costume with a small safety pin or toy tether so it doesn't get lost during events.

Cocomelon costume FAQ

What pajamas does JJ wear in CoComelon?: JJ is most famous for wearing a light blue and white horizontally striped pajama onesie, though he also occasionally wears animal-themed pajamas like a shark or dinosaur.
How do you make JJ's hair curl?: You can create his signature single curl by using strong-hold hair gel or wax on a small front section of hair, or by crafting a curl out of yellow felt and securing it with a bobby pin.
Is there an adult version of the CoComelon costume?: Yes, adults can easily recreate the look using adult-sized blue and white striped pajamas, or by wearing a full-body green mascot costume shaped like the CoComelon watermelon.

Did you know? CoComelon is one of the most-viewed YouTube channels in the world, and JJ's signature blue pajamas are designed to make him instantly recognizable to toddlers who thrive on visual repetition.