Halloween is always better with friends, and trios have some of the most creative group costume options. Whether you want to keep it spooky, funny, or nostalgic, there are endless characters and themes to choose from. These trio costume ideas are simple to pull together, recognizable, and perfect for making a statement at any Halloween party.
1. Harry, Ron & Hermione
Bring the magic of Hogwarts to life with cloaks, wands, and scarves. Each character has their own vibe, making it fun and easy to personalize. A timeless choice for Halloween night.
2. Powerpuff Girls
Blossom, Bubbles, and Buttercup are colorful, playful, and full of attitude. All you need are dresses in pink, blue, and green with matching accessories. A cute and nostalgic option.
3. The Sanderson Sisters
Winifred, Mary, and Sarah from Hocus Pocus are Halloween icons. Flowing dresses, wigs, and bold makeup complete the look. A spooky trio that always gets attention.
4. Three Blind Mice
Gray outfits, mouse ears, sunglasses, and canes make this an easy DIY. It’s simple, funny, and always a crowd favorite. Perfect for last-minute Halloween costumes.
5. Alvin and the Chipmunks
Oversized hoodies in red, green, and blue bring these characters to life. Add glasses for Simon and a cap for Alvin. Comfortable, fun, and instantly recognizable.
6. The Three Little Pigs
Pink outfits, pig noses, and overalls make this costume adorable. Carry small props like straw, sticks, or bricks for extra effect. Great for families or friends.
7. Rock, Paper, Scissors
Turn the classic game into a creative costume with cardboard cutouts. Each friend represents one item, making this trio interactive and fun. Super easy to DIY at home.
8. Mario, Luigi & Princess Peach
Overalls, fake mustaches, and a pink dress are all you need. This Nintendo trio is colorful, playful, and perfect for gamers. A guaranteed hit at any Halloween party.
9. Scooby-Doo, Shaggy & Velma
Solve mysteries in style with this cartoon trio. A brown Scooby onesie, Shaggy’s green shirt, and Velma’s orange sweater are simple yet iconic. Fun and comfy for Halloween night.
10. Shrek, Donkey & Fiona
Bring fairytale fun to life with ogre ears, a donkey costume, and a princess dress. This mix of funny and cute makes it unforgettable. A great choice for a themed Halloween group.
11. The Three Musketeers
Classic capes, hats, and toy swords complete this adventurous trio. It’s stylish, historical, and perfect for those who love drama. One for all, and all for Halloween!
12. Peanut Butter, Jelly & Bread
A funny and unique food-inspired trio. Each person can wear a sandwich board representing their flavor. Lighthearted, silly, and perfect for laughs at a party.
13. Minions (Three Despicable Ones)
Blue overalls, yellow shirts, and goggles make this trio instantly recognizable. It’s simple, goofy, and full of energy. Great for friends who love animated fun.
14. Skeleton Trio
Classic skeleton suits are spooky yet easy to find. Add glow-in-the-dark paint for an extra Halloween effect. A simple but chilling group look.
15. Angel, Devil & Human
One person plays the angel, another the devil, and the third the neutral human. It’s creative, easy to style, and always sparks conversation. A clever trio with personality.
