What’s cuter than one adorable kid in a Halloween costume? Coordinating Halloween costumes for all of your kids, of course! We’ve rounded up 21 of the most creative, beloved sibling Halloween costumes just in time for the spookiest time of year. From super-easy to pull together to semi-advanced, there’s something in here for everyone. Happy haunting!
1. Cast of “Grease”

All we can say is: Wow! Not only is the cast of “Grease” a great idea for sibling Halloween costumes, these kids are nailing the poses.
2. Carl and Russell from “Up”

We loves these sibling Halloween costumes — and the movie “Up.” Adventure is out there for sure!
3. Ghosts

Not only are these ghost costumes super simple to pull together, if you have three kiddos, you can refer to them as “The Three Ami-ghosts.”
4. Football player and football

Touchdown! If you’ve got a little one who’s, well, little, this football player/football costume is perfect — and cozy!
5. Football player and reporter

If your kids are a little closer in age, try going with a football player and ESPN reporter — very easy to throw together!
6. Lilo & Stitch

Whether you’ve got besties on your hands or siblings, going as Lilo and Stitch is always a good idea.
7. Three good fairies

Forget Cinderella! This trio of good fairies — Flora, Fauna and Merryweather — is a sibling Halloween costume for the books!
8. Jasmin, Aladdin and Abu

Everything about these “Aladdin” costumes are perfect — but look at that sweet little Abu! What a cutie!
9. Cops and robbers

Take your little one’s police officer costume to the next level by adding an adorable and miniature crook. Cutest little cops and robbers!
10. Little Red Riding Hood and the Big Bad Wolf

There’s so many things to love about this sweet Little Red Riding Hood and Big Bad Wolf duo, but it’s the wolf’s frayed jeans that really do it for us.
11. Mario Brothers

One of the best things about this Mario Bros. sibling costume? There’s very little potential for arguing over who’s who.
12. Alvin and the Chipmunks

These kids and their cute pup pulled together to make an amazing Alvin and the Chipmunks trio. Awww, the band’s all together!
13. Ghostbuster and Stay Puft Marshmallow Man

The ghostbuster is ridiculously cute, but let’s be honest here, is there anything more adorable than a baby Stay Puft Marshmallow sidekick?!
14. Rainbow and rain cloud

First comes the rain cloud … and then a sweet baby rainbow! This sibling duo is too cute for words.
15. Peter Pan and Captain Hook

OK, this is just about the sweetest Peter Pan and Captain Hook we’ve ever seen. One problem, though: Hook’s not even scary at all.
16. Beauty and the Beast

Clearly, this beauty and beast are besties. Look at how great they look together!
17. Dorothy and the Lion

Really, can one ever go wrong when there’s ruby slippers and a baby lion involved?
18. Superman and Supergirl

It’s a bird! It’s a plane! It’s the perfect sibling Halloween costume!
19. Firefighter and a Dalmatian

Everybody knows it: Every good firefighter has a beloved firehouse Dalmatian.
20. The Grinch and Cindy Lou Who

We’re dead. This Grinch-themed costume simply can’t be topped!
21. Older couple

While “older people” may be a generic costume, these are fantastic sibling Halloween costumes — and love how these kiddos are committing!