
Old Gregg Costume
Do you love me? Make your own legendary sea-funk fisherman look.
Old Gregg is the beloved, eccentric merman from the cult British comedy series The Mighty Boosh. Instantly recognizable by his green skin, seaweed hair, and metallic pink tutu, he is a favorite choice for fans of surreal humor. This costume combines mismatched formal wear with aquatic chaos for an unforgettable party look.
- Difficulty
- Medium
- Time
- ~60 min
- Budget
- $40–90
Try it on
See yourself as Old Gregg
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.
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What you need for a Old Gregg costume
Short on time? Buy it ready-made
Spirit Halloween sells the complete Old Gregg costume — one box instead of 6 pieces.
Silver or metallic grey suit jacket
A shiny, slightly oversized blazer or frock coat to mimic his formal upper half.
DIY: Use a grey blazer and lightly spray it with silver fabric paint.
Pink tutu
A bright pink tulle tutu worn over the trousers.
DIY: Tie strips of pink tulle around an elastic band.
Black trousers
Standard black dress pants or dark leggings to wear under the tutu.
DIY: Any dark trousers or leggings from your closet.
Seaweed wig
A messy black wig styled with green and black strands to look like wet seaweed.
DIY: Cut black trash bags into thin strips, stretch them out to look like kelp, and hot glue them to a wig cap.
Green face paint
Water-activated or cream-based pale green makeup for the face, neck, and hands.
White gloves
Simple white cotton or satin formal gloves.
Rather not assemble it? See ready-made Old Gregg costumes at Spirit Halloween ↗
How to put it together
- 1
Apply the pale green face paint evenly over your face, neck, and ears, leaving space around the eyes if desired.
- 2
Put on the black trousers and tuck in a dark shirt.
- 3
Pull the pink tutu over the trousers, positioning it at your waist.
- 4
Put on the silver metallic suit jacket over the shirt.
- 5
Put on the white formal gloves.
- 6
Place the seaweed wig on your head, letting the dark, wet-look strands frame your face.
- 7
Carry a prop bottle of cream liqueur or a small flashlight to mimic his 'mangina' light under the tutu.
Makeup & hair
Cover your face in pale green makeup, adding dark circles under the eyes and a prosthetic nose or chin if you want to go all out. The hair must look wet, messy, and seaweed-like, using black and dark green strands.
Old Gregg for couples, groups, kids & more
- couples
- Pair up with Howard Moon wearing a beige trench coat, red scarf, and a look of pure confusion.
- group
- Form a Mighty Boosh group with Howard Moon, Vince Noir, and the Moon.
- kids
- A simplified version with a green shirt, a pink tutu, and a yarn-based seaweed wig.
- Plus size
- A stretchy elastic-waist tutu and an open-front metallic blazer provide a comfortable, adjustable fit.
Tips
- Use a makeup setting spray so the green face paint doesn't rub off on your silver jacket or white gloves.
- Carry a clean, empty bottle of Irish cream liqueur as a prop to reference his favorite drink.
- If using trash bags for the DIY wig, stretch the plastic strips gently so they curl naturally like real kelp.
Old Gregg costume FAQ
- What does Old Gregg wear?
- Old Gregg wears a shiny silver or grey suit jacket, a bright pink tutu over black trousers, white gloves, a messy seaweed wig, and green skin.
- How do you make Old Gregg's seaweed hair?
- You can buy a messy black wig and weave in green tinsel, or DIY it by cutting black plastic trash bags into strips, stretching them to look like kelp, and attaching them to a wig cap.
- What makeup do I need for Old Gregg?
- You need pale green face paint for your face and neck, dark eyeshadow to create tired eyes, and optional prosthetics for his distinct nose and chin.
Did you know? Old Gregg first appeared in Series 2, Episode 5 of The Mighty Boosh ('The Legend of Old Gregg') in 2005, quickly becoming an internet phenomenon in the early days of viral web videos.