Professor Utonium Costume
Bring the creator of the Powerpuff Girls to life with ease.
Professor Utonium is the brilliant, loving scientist father of Blossom, Bubbles, and Buttercup from the classic animated series The Powerpuff Girls. This costume is a popular choice for cartoon fans because of its clean, instantly recognizable mid-century aesthetic. The look consists of a crisp white lab coat, a black dress shirt, a black tie, and classic dark trousers.
- Difficulty
- Easy
- Time
- ~15 min
- Budget
- $30–75
Try it on
See yourself as Professor Utonium
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 Professor Utonium costume
Short on time? Buy it ready-made
Spirit Halloween sells the complete Professor Utonium costume — one box instead of 6 pieces.
White lab coat
A knee-length, button-up white lab coat with a structured collar and front pockets.
DIY: Use a long white trench coat or a white button-down shirt worn open and oversized.
Black dress shirt
A solid black, long-sleeved button-down dress shirt with a sharp collar.
Black necktie
A standard, solid black satin or matte necktie.
Black dress pants
Classic straight-leg black trousers or dress pants.
DIY: Any clean, dark black chinos or jeans.
Black dress shoes
Polished black oxford shoes or loafers.
DIY: Clean black sneakers or boots.
Beaker or flask
A clear plastic science beaker or Erlenmeyer flask, optionally filled with colored liquid or plastic beads to represent Chemical X.
DIY: Use a clean, empty clear plastic bottle or jar labeled 'Chemical X'.
Rather not assemble it? See ready-made Professor Utonium costumes at Spirit Halloween ↗
How to put it together
- 1
Put on the black dress shirt and button it all the way to the top collar.
- 2
Tie the solid black necktie snugly around the collar of the shirt.
- 3
Put on the black dress pants and secure them with a simple black belt.
- 4
Put on the white lab coat over the black shirt and tie, leaving the lab coat unbuttoned.
- 5
Slip into the polished black dress shoes.
- 6
Carry a plastic beaker or flask filled with blue, green, or pink liquid to represent Chemical X.
Makeup & hair
Style your hair in a neat, side-parted 1950s style using hair gel or pomade. Keep your face clean-shaven to match the Professor's sharp, animated look.
Professor Utonium for couples, groups, kids & more
- couples
- Pair up with someone dressed as Ms. Keane or Mojo Jojo.
- group
- The ultimate group costume: one person as Professor Utonium alongside three friends dressed as Blossom, Bubbles, and Buttercup.
- kids
- A small white lab coat, black clip-on tie, and dark pants make an adorable, easy costume for kids.
- Plus size
- Choose a relaxed-fit lab coat and stretch-waist black trousers for maximum comfort.
Tips
- If carrying liquid in your beaker, use colored water with a drop of food coloring, and seal the top with plastic wrap to prevent spills.
- Iron your lab coat before wearing it; a crisp, wrinkle-free coat makes the costume look much more polished and professional.
- This costume is highly comfortable and warm, making it perfect for chilly outdoor Halloween events.
Professor Utonium costume FAQ
- What does Professor Utonium wear?
- He wears a long white lab coat over a black button-down dress shirt, a black necktie, black dress pants, and black dress shoes.
- How do you make a DIY Chemical X prop?
- Fill a plastic Erlenmeyer flask or beaker with water and a drop of black or dark purple food coloring, then label the front 'Chemical X' in bold black letters.
- Is this costume suitable for work or school?
- Yes, it is highly appropriate, comfortable, and easy to move around in all day.
Did you know? Professor Utonium accidentally created the Powerpuff Girls when he bumped into a flask of 'Chemical X' while trying to brew the perfect recipe of sugar, spice, and everything nice.