
Biggie Cheese Costume
Bring the legendary 'Mr. Boombastic' Barnyard rapper to life.
Biggie Cheese is the beloved, larger-than-life rapper mouse from the animated movie Barnyard who famously performs 'Mr. Boombastic'. This costume is a massive hit for meme lovers, internet culture fans, and anyone looking for a hilarious, nostalgic party outfit. The look centers on a grey mouse base paired with classic 90s hip-hop accessories, including a fedora, shades, and a massive gold chain.
- Difficulty
- Medium
- Time
- ~45 min
- Budget
- $30–80
Try it on
See yourself as Biggie Cheese
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.
Want a different costume on this photo, or a whole group in costume? Open the Try-On Studio.

What you need for a Biggie Cheese costume
Short on time? Buy it ready-made
Spirit Halloween sells the complete Biggie Cheese costume — one box instead of 7 pieces.
Grey mouse ears and tail set
A plush headband with round grey mouse ears and a matching attachable grey tail.
DIY: Cut round ears out of grey felt and glue them to a plain headband.
Grey oversized sweatshirt
A plain, baggy grey crewneck sweatshirt to mimic a mouse's round body.
Grey sweatpants
Matching loose-fitting grey sweatpants to complete the mouse body look.
Black fedora hat
A classic black felt fedora with a black band, worn tilted slightly forward.
DIY: Use any black wide-brim hat you have at home.
Chunky gold chain necklace
An oversized, shiny gold-colored plastic link chain necklace.
DIY: Paint thick plastic toy chains with metallic gold spray paint.
Black sunglasses
Dark, retro-style black sunglasses or wire-rimmed shades.
Fake cheese prop
A realistic foam or plastic wedge of yellow Swiss cheese with holes.
DIY: Cut a wedge out of yellow upholstery foam and carve small holes into it.
Rather not assemble it? See ready-made Biggie Cheese costumes at Spirit Halloween ↗
How to put it together
- 1
Put on the oversized grey sweatshirt and matching grey sweatpants to create the base mouse body.
- 2
Attach the plush grey mouse tail to the back of your sweatpants using a safety pin.
- 3
Place the grey mouse ears headband securely on your head.
- 4
Put on the black fedora, tilting it slightly to the side over the mouse ears.
- 5
Layer the chunky gold chain necklace over the grey sweatshirt so it sits prominently on your chest.
- 6
Put on the black sunglasses to complete the cool, confident rapper aesthetic.
- 7
Carry the fake wedge of Swiss cheese as your primary prop to make the character instantly recognizable.
Makeup & hair
Apply pink face paint to the tip of your nose and draw three simple black whisker lines on each cheek using an eyeliner pencil.
Biggie Cheese for couples, groups, kids & more
- couples
- Pair up with Otis the Cow from Barnyard for a nostalgic animated duo.
- group
- Form a Barnyard group with Otis, Pip the Mouse, and Pig.
- kids
- A grey fleece onesie paired with a mini fedora and plastic gold chain.
- Plus size
- Use an ultra-baggy 3XL grey hoodie to naturally create Biggie's round, rotund shape.
- pet
- A small grey dog hoodie with a tiny black doll fedora strapped on.
Tips
- To get Biggie's signature round shape, stuff a small pillow or bubble wrap under your grey sweatshirt.
- Keep a speaker in your pocket playing Shaggy's 'Mr. Boombastic' on loop for the ultimate entrance.
- Make sure the fedora is large enough to sit comfortably over or between the plush mouse ears.
Biggie Cheese costume FAQ
- Who is Biggie Cheese?
- Biggie Cheese is a fictional rapper mouse from the 2006 Nickelodeon movie Barnyard, voiced by Shaggy.
- How do I make a cheap Biggie Cheese costume?
- Use a grey hoodie you already own, buy cheap dollar-store mouse ears, and make a gold chain out of painted cardboard links.
- What props does Biggie Cheese need?
- A microphone, a large wedge of Swiss cheese, and a massive gold chain are his essential accessories.
Did you know? Despite his brief screen time in the 2006 film Barnyard, Biggie Cheese became a massive viral internet meme years later in the late 2010s.