Who is 1x1x1x1 in Roblox?

1x1x1x1 is a legendary fictional hacker myth in Roblox lore, often depicted as an antagonist in community stories and official events like The Classic.

How do I make the glowing red eyes safely?

Use red LED shutter glasses or clip small, battery-operated red LED finger lights to the inside rim of your hood, ensuring they point outward and away from your eyes.

What kind of crown does 1x1x1x1 wear?

He wears a classic yellow or gold pointed crown, representing the classic Roblox item aesthetic.

AI-generated example

1x1x1x1 Costume

Become the ultimate Roblox hacker myth with glowing eyes and a crown.

1x1x1x1 is one of Roblox's most famous legendary hacker myths, recently brought back into the spotlight during official events like The Classic. This costume is a huge hit with gamers and kids who love Roblox lore and glitch aesthetics. The signature look combines a dark, mysterious hoodie with glowing red eyes, a classic gold crown, and neon green cybercore accents.

Difficulty: Medium
Time: ~45 min
Budget: $25–55

See yourself as 1x1x1x1 →What you need Buy the 1x1x1x1 costume

Try it on

See yourself as 1x1x1x1

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.

1x1x1x1 costume — Example look · AI-generated

You as 1x1x1x1

Result

What you need for a 1x1x1x1 costume

Short on time? Buy it ready-made

Spirit Halloween sells the complete 1x1x1x1 costume — one box instead of 5 pieces.

Shop 1x1x1x1 at Spirit ↗

Black pullover hoodie
A plain, oversized black hoodie with a spacious hood to cover your head.
DIY: Use any oversized black sweatshirt or long-sleeve shirt you already own.
Amazon
Gold toy crown
A classic yellow-gold pointed plastic or felt crown to sit on top of the hood.
DIY: Cut a crown shape out of yellow poster board or craft foam and tape it into a circle.
Amazon
Glowing red LED glasses
Red LED shutter glasses or glowing red cosplay eye lights to create the hacker look.
DIY: Attach red glow sticks to the inside rim of your hood, ensuring they do not block your vision.
Amazon
Black balaclava or face mask
A lightweight black fabric mask to completely obscure your face under the hood.
DIY: Wrap a black t-shirt or scarf around your face, leaving only a small gap for your eyes.
Amazon
Green fabric paint or tape
Neon green paint or adhesive tape to add digital glitch lines and cybercore patterns to the hoodie.
DIY: Use bright green painter's tape to create temporary blocky glitch lines on your shirt.
Amazon

Rather not assemble it? See ready-made 1x1x1x1 costumes at Spirit Halloween ↗

How to put it together

1
Decorate the hoodie with neon green fabric paint or green tape, creating blocky, digital glitch lines or matrix-like patterns on the chest and sleeves.
2
Put on the decorated black hoodie and pull the hood down over your shoulders for now.
3
Pull the black balaclava or face mask over your head to completely cover your skin and hair.
4
Put on the red LED glowing glasses and turn them on to achieve the glowing red eye effect.
5
Place the gold toy crown securely on top of your head, over the balaclava.
6
Pull the black hood up and over the crown, adjusting it so the crown's points peek out of the top and the glowing red eyes are visible from the front.

Makeup & hair

No hair or makeup is needed for this costume, as your entire head and face are completely hidden by the balaclava, hood, and glowing glasses.

1x1x1x1 for couples, groups, kids & more

couples: Pair up with another classic Roblox myth like John Doe or Noob.
group: Have a group dress as different Roblox hackers or classic avatars, each using a different color of glowing LED eyes.
kids: Use a lightweight felt crown and safe red glow sticks instead of battery-powered LED glasses for comfort.
Plus size: An oversized black fleece hoodie provides a comfortable, loose-fitting base for any size.
pet: Dress your dog or cat in a small black pet t-shirt and a miniature yellow felt crown.

Tips

Make sure the red LED lights are positioned so you can still see clearly, especially if you are trick-or-treating at night.
Use glow-in-the-dark green paint for the cybercore details so they stand out in dark rooms or outdoor settings.
Bring extra batteries for your LED glasses to ensure your glowing eyes last through the entire event.

1x1x1x1 costume FAQ

Who is 1x1x1x1 in Roblox?: 1x1x1x1 is a legendary fictional hacker myth in Roblox lore, often depicted as an antagonist in community stories and official events like The Classic.
How do I make the glowing red eyes safely?: Use red LED shutter glasses or clip small, battery-operated red LED finger lights to the inside rim of your hood, ensuring they point outward and away from your eyes.
What kind of crown does 1x1x1x1 wear?: He wears a classic yellow or gold pointed crown, representing the classic Roblox item aesthetic.

Did you know? Despite his fearsome reputation as Roblox's ultimate hacker, 1x1x1x1 was actually an empty test account created by Roblox co-founder Erik Cassel in 2007.