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Home » Home » Parenting

21 Frighteningly Adorable DIY Halloween Costumes for Babies

Modified: Oct 1, 2025 by Elisabeth Kruger · This post may contain affiliate links · 1 Comment

21 Frighteningly Adorable DIY Halloween Costumes for Babies pinterest image

Little babies are so much fun because they’re almost like real-life dolls that you get to dress up and down for fun, and their little giggles reduce me to a ball of happy emotions and smiles. Since kiddies grow so quickly in the early stages of their lives, it’s not very frugal to dish out the cash on Halloween costumes that will only be worn once (ok, and maybe once more when you bring out that camera for a photoshoot).

21 Frighteningly Adorable DIY Halloween Costumes for Babies pinterest image

So if you enjoy making baby clothes and other baby projects, stick with the DIY route and make something for your little bundle of joy! You’ll definitely find something to make you go “awwww” among these clever and adorable costume ideas.

Jump to:
  • 1. Baby Moose
  • 2. Mouse Caught in a Trap
  • 3. Yoda
  • 4. Where’s Waldo?
  • 5. Clark Kent
  • 6. Oompa Loompa
  • 7. Football
  • 8. Released Prisoner
  • 9. Owl
  • 10. Harry Potter
  • 11. Carl from Up
  • 12. Bag of Popcorn
  • 13. Pineapple
  • 14. Cow
  • 15. Octopus
  • 16. Babysaurus
  • 17. Charlie Brown
  • 18. Minion
  • 19. Olaf the Snowman
  • 20. Peacock
  • 21. Your Favorite Starbucks

1. Baby Moose

Baby Moose halloween baby costume
DIY Instructions/Inspiration/Project Credit  – HouseOfPaint

Who knew that stuffing a pair of white gloves and sticking them to either side of the hood of your baby’s brown sweatshirt could instantly turn him into the cutest little moose ever? It’s easy and it’s frugal; what’s not to love?

2. Mouse Caught in a Trap

Mouse Caught in a Trap baby halloween costume
DIY Instructions/Inspiration/Project Credit  – Photobucket and CostumeWorks

Ok, seriously, a massive thumbs up to the cool and crafty parents who came up with this fantastic idea. And since your wagon frame is mobile, you can cart your little pipsqueak around to go trick-or-treating. I’m sure candy will go down better than cheese.

3. Yoda

Yoda baby costume
DIY Instructions/Inspiration/Project Credit  – AlisonKreft

“Give me that treat, you must”. What’s cuter than a baby Yoda? Nothing. Nothing can be cuter than a tiny little Star Wars fan in the making, dressed in a little bitty robe, donning Yoda’s famously big ears. Get ready for all the oohs and ahhs when this little one makes an appearance.

4. Where’s Waldo?

Where’s Waldo? baby costume
DIY Instructions/Inspiration/Project Credit  – MakeItLoveIt

Finding everyone’s favorite fictional tourist, Waldo (or Wally, for you Brits), among the sea of weird and wonderful characters in interesting and chaotic settings, is practically a rite of passage for any child. Just think back to how many hours you must have spent staring frustratingly at those pages! So how could you not want to dress up your little tot as this popular protagonist?

5. Clark Kent

Clark Kent baby costume
DIY Instructions/Inspiration/Project Credit  – CostumeWorks and CostumeWorks

Dressing your little bundle of joy in a Superman outfit is cute, sure, but it isn’t all that unique, is it? You could totally step it up by going the Clark Kent route, while just presenting us with a hint of the crime-busting alter ego, with the famous logo just peeking through his shirt. Now that’s a great costume!

6. Oompa Loompa

Oompa Loompa aby costume
DIY Instructions/Inspiration/Project Credit  – CostumeWorks

When you have an adorable little human like this, resisting the urge to dress him up as a classic Oompa Loompa is practically impossible. Just look at him! He’s the perfect size! Luckily, with the accessibility of rinse-out hair spray, it’s easy to dye your little one’s hair green for just one day.

7. Football

Football baby costume
DIY Instructions/Inspiration/Project Credit  – LinesAcross

Any sports nuts out there? This football costume is so ridiculously easy that you may just decide on it even if you aren’t a football fan. And, you don’t even have to sew or stitch – you can simply use white tape on a brown onesie to create the effect. Just don’t let anyone start tossing your baby around!

8. Released Prisoner

Released Prisoner baby costume
DIY Instructions/Inspiration/Project Credit  – CostumeWorks

Yeah, ok, it’s official. This is the best newborn costume. Ever! It’s adorable, fun and playful, hilarious, really easy to make, and did I mention absolutely, drop dead, I-never-want-to-pry-my-eyes-away-from-you adorable?? Now, please excuse me while I go find myself a newborn baby.

9. Owl

Owl baby costume
DIY Instructions/Inspiration/Project Credit  – Milkweed

I’ve been very open about my owl addiction, so there’s no way I wouldn’t jump at the chance to get moms everywhere to dress their little ones as this magnificent creature. Felt pieces make excellent feathers, so you can either stick them to a onesie or just make a winged cape instead.

10. Harry Potter

Harry Potter baby costume
DIY Instructions/Inspiration/Project Credit  – Love&Lion

Why is Harry Potter such a popular baby costume? Maybe it’s because the character and outfit are instantly recognizable. Or maybe it’s because it really is so easy to DIY. But in all honesty, I think the primary reason is that babies just look so ridiculously cute with those round glasses!

11. Carl from Up

Carl from Up baby costume
DIY Instructions/Inspiration/Project Credit  – MyModernMet

As delightfully happy and friendly little tots often look, they can sometimes also look seriously grumpy and unimpressed… much like a grumpy old man. I know Up is now a movie of the past, but this costume is just too perfect not to share. You can actually just use this as inspiration to turn your little one into a generic grandma or grandpa character; that little walker is a stroke of genius for those who need a bit of help with their waddling.

12. Bag of Popcorn

Bag of Popcorn baby costume
DIY Instructions/Inspiration/Project Credit  – ThisPlaceIsNowAHome

Is it weird to turn your precious little baby into a bag of popcorn? Perhaps, but when Halloween comes around, you can get away with anything! Not only is this living, tasty treat super cute, but I absolutely love how the parents turned it into a family costume.

13. Pineapple

Pineapple baby costume
DIY Instructions/Inspiration/Project Credit  – LinesAcross

I don’t know what it is about dressing babies up as food that’s just so darn appealing. It makes me want to eat them up! In a figurative sense, of course. This is a really simple DIY that requires no sewing (yay!), so I’m sure many of you will find it very appealing. How happy does that fruity little bundle of fun look?

14. Cow

Cow baby costume
DIY Instructions/Inspiration/Project Credit  – MakeIt&LoveIt

Isn’t this just udderly adorable?! (Sorry, I couldn’t help myself...) You can easily customize a plain white onesie to add some black cow spots and then just sew on some ears to a hat. And then, of course, for the pièce de résistance… an udder made from baby bottle nipples! The creativity here is remarkably impressive.

15. Octopus

Octopus baby costume
DIY Instructions/Inspiration/Project Credit  – CostumeWorks and Etsy Pattern

Can you tell which legs are real and which are fake? Yeah, ok, it’s obvious when you look closely, but at a glance, this cute little thing really looks like a charming human-octopus hybrid! This giggling eight-legged tot may just be enough to get me over my fear of octopuses.

16. Babysaurus

Babysaurus baby costume
DIY Instructions/Inspiration/Project Credit  – DIYingToBeDomestic

I just love it when innocent-looking tiny humans try to look like big scary monsters. The absurd contrast makes me giggle and go “awwww” every single time. So, how can you turn your little monster into a Halloween dinosaur? It’s as easy as sewing some “scales” onto a hoodie!

17. Charlie Brown

Charlie Brown baby costume
DIY Instructions/Inspiration/Project Credit  – CostumeWorks and Instagram:jchavkin

This is just too precious for words. Good ol’ Charlie is a lovable and determined little guy who never gives up, even when he keeps failing, and just look how gorgeous he looks in real life. That little curl drawn on the baby’s head is just priceless!

18. Minion

Minion baby costumes
DIY Instructions/Inspiration/Project Credit  – DespicableMeMinions

So the adorably clumsy little minions finally got their own movie, and kids all over the world just can’t get enough. I have to admit, I love these little guys, so a living, breathing baby minion is my dream come true.

19. Olaf the Snowman

Olaf the Snowman baby costume
DIY Instructions/Inspiration/Project Credit  – HelloSplendid

There’s no denying that Frozen set off a monumental craze; if you and your kids haven’t quite been able to let it go just yet, then this little Olaf onesie may just be the perfect outfit. A bit of felt and a pair of googly eyes is all you need to turn your baby into a loveable snowman.

20. Peacock

Peacock baby costume
DIY Instructions/Inspiration/Project Credit  – CreativelyChristy

Who wouldn’t feel as proud as a peacock when displaying these gorgeous feathers? As long as you can get the right color onesie and tights, then you’re halfway there already. And that cute little headband is just the perfect icing on the cake.

21. Your Favorite Starbucks

Starbucks baby costume
DIY Instructions/Inspiration/Project Credit  – Instagram:goodas77

Have you ever thought of the main similarity between your delightful little baby and your favorite coffee? They both keep you awake… I’m not sure how long a baby will tolerate wearing this Starbucks cup, but it sure looks cute.

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  1. ALIce v

    October 02, 2015 at 7:03 pm

    The mouse trap is my favorite

    Reply

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