Dress Like Captain Underpants

Captain Underpants, the beloved character from the world of children's literature, has captured the hearts and imaginations of readers young and old. With his iconic red cape and distinctive attire, he's a perfect choice for a fun and nostalgic Halloween costume. In this blog post, we'll guide you through the process of creating the ultimate Captain Underpants costume and even share tips on how to bring his quirky personality to life at your Halloween party.

Captain Underpants Costume


You will need the following items for your Captain Underpants Halloween costume:

  1. Red Cloak
  2. Toilet Plunger
  3. CK Boxer
  4. Bald Cap
  5. Captain Underpants Books

How To Dress Like Captain Underpants

Captain Underpants Costume

How to Dress Like Captain Underpants

Becoming Captain Underpants is a delightful and straightforward endeavor. With a few key items, you can transform into this beloved character. Here's a step-by-step guide on how to dress like Captain Underpants:

Step 1: Red Cloak Start your transformation with a bright red cloak. It should be long enough to drape around your shoulders and create that signature superhero look.

Step 2: CK Boxer For the bottom half of your costume, don a pair of white boxer shorts featuring the CK (Captain Kno...w) logo. These are an essential part of Captain Underpants' attire.

Step 3: Bald Cap Captain Underpants may be bald, but you can capture his look with a bald cap. Ensure it's snug and secure for the complete effect.

Step 4: Toilet Plunger Don't forget the quirky prop! A toilet plunger is a must-have accessory to complete the Captain Underpants look.

Step 5: Captain Underpants Books Carry a few Captain Underpants books with you to showcase your passion for this beloved character.

Captain Underpants Cosplay

Captain Underpants Halloween Costume

How to Act Like Captain Underpants at a Halloween Party

Dressing up as Captain Underpants is just the beginning. To fully embody this lovable character, follow our step-by-step guide on how to act like him at your Halloween party:

Step 1: Embrace Childlike Enthusiasm Channel Captain Underpants' childlike enthusiasm and optimism. Approach the party with a sense of wonder and excitement.

Step 2: Be Playful Engage in playful antics and pranks, just like Captain Underpants himself. Surprise your fellow partygoers with lighthearted jokes and tricks.

Step 3: Strike Heroic Poses Pose heroically and dramatically throughout the evening. Captain Underpants loves striking superhero poses, so don't be shy about showing off your imaginary powers.

Step 4: Spread Positivity Spread positivity and kindness. Captain Underpants is known for his unwavering belief in the power of friendship and doing what's right.

Step 5: Champion Creativity Encourage creativity and imagination in those around you. Captain Underpants celebrates the joy of storytelling and creative expression.

About Captain UnderpantsĀ 

All About Captain Underpants

Captain Underpants is the alter ego of Mr. Krupp, a school principal. Similar to his true identity, Captain Underpants is a bald, overweight man with a pear-shaped body and a small piggy nose. His distinctive attire consists of nothing more than white briefs and a red polka-dotted cape fashioned from curtains. This character's whimsical appearance and penchant for fighting injustice, even in his undergarments, have made him a beloved figure in children's literature.

Captain Underpants Halloween Costume

dditional Tips

  1. Stay in Character: Throughout the party, stay in character by exuding childlike enthusiasm and positivity.
  2. Prank Responsibly: While engaging in playful pranks, be mindful of others' comfort and boundaries.
  3. Share the Love: Encourage fellow partygoers to embrace their creative and imaginative sides, just like Captain Underpants.


Becoming Captain Underpants for Halloween is not just about the costume; it's about embodying the spirit of this beloved character. By following our costume guide and embracing his childlike enthusiasm, playful nature, and unwavering positivity, you can transform yourself into the ultimate superhero for a memorable Halloween experience. So, don your red cloak, grab your toilet plunger, and let the adventures begin!

Notify of
Inline Feedbacks
View all comments
Would love your thoughts, please comment.x