Cosplay Ideas

90 Letter B Costume Ideas

letter b costume ideas

Blast off with the best letter B costume ideas! If you’re looking for a bash of a costume party, then why not go all out with a brilliantly bold and beautiful letter B costume? From bumblebees to Batman, there are endless possibilities for a bangin’ get-up that will make you stand out from the crowd.

So buckle up and get ready to explore some big, bold, and bodacious costume ideas that will make you the belle of the ball – or should we say, the “B” of the ball!


30 Best Costumes That Start
With The Letter B

A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z

1. Batman

First up, the one and only Caped Crusader – Batman. Don the iconic black suit and cape, add a yellow utility belt, and slip on the Batman mask to strike fear into the hearts of Gotham’s criminals.

2. Bellatrix Lestrange

Feeling a little wicked? Transform into Bellatrix Lestrange from “Harry Potter”. The witch’s signature long black dress, coat, wild curly hair, and skull and snake tattoo will have you feeling right at home in the Dark Arts.

3. Buzz Lightyear

For a more playful vibe, Buzz Lightyear from “Toy Story” is a perfect choice. Take flight in a green and white jumpsuit with a purple hood and wings to explore new frontiers and beyond!

4. Brienne of Tarth

Or perhaps you’re looking to channel your inner warrior. Brienne of Tarth from “Game of Thrones” offers the perfect opportunity to don a suit of armor, wield a sword, and show off your strength and courage.

5. Beetlejuice

For a spooktacular costume that’s sure to turn heads, transform into the one and only Beetlejuice. Get wacky with a black and white striped suit, green hair, and top hat, and embrace the afterlife in style.

6. Black Widow

Ready to kick some butt? Slip into a sleek black jumpsuit with wrist cuffs and the iconic red hourglass symbol to become Black Widow from Marvel Comics. No one will dare to cross you!

7. Baymax

If you’re in the mood for something that will really charm everyone in the room, Baymax from “Big Hero 6” will make a strong impression as you waddle onto the scene in your big inflatable costume. Slip into a white jumpsuit, add a red rocket fist, and complete the look with the character’s signature inflatable healthcare robot appearance.

8. Blair Waldorf

For a sophisticated and stylish look, channel your inner Blair Waldorf from “Gossip Girl”. A chic headband, pearls, and preppy dress paired with a bold statement jacket will have you ready to take on the Upper East Side.

9. Bonnie Parker

Looking for something from days long gone by? Bonnie Parker from “Bonnie and Clyde” will transport you to the 1920s with a chic flapper dress and feathered headband, perfect for a glamorous outlaw.

10. Black Panther

Embrace your inner superhero with Black Panther from Marvel Comics. Take on the mantle of Wakanda’s king with a black bodysuit and silver accents, topped off with the iconic panther mask.

11. Buffy

When it comes to badass women, Buffy Summers from “Buffy the Vampire Slayer” is a name that always makes the list. Pay homage to the teen vampire slayer by dressing up in her trendy ’90s-inspired outfit. Start with a form-fitting leather jacket that screams “I’m ready for action.” Pair it with some high-waisted jeans that hug your curves and make you really slay the room.

But a Buffy-inspired outfit isn’t complete without the essential accessory for vampire hunting: a wooden stake. Whether you make one yourself or buy one from a costume shop, a wooden stake will give you the confidence you need to take on any bloodsucker that comes your way. Just be sure to practice your stake-wielding skills so you’re ready for any surprises.

12. Black Canary

Black Canary from DC Comics is another excellent option. Dress up in a black jumpsuit and wig, and carry a sonic scream device to complete the look of one of the most skilled martial artists in the DC universe.

13. Bart Simpson

Ah, Bart Simpson, the mischievous imp with a heart of gold. His spiky hair is immediately recognized by any consumer of of American pop culture, and now you have the chance to step into his shoes for a night.

With a few simple clothing choices – a red t-shirt, blue shorts, and blue sneakers – you can embody the spirit of Springfield’s most notorious troublemaker. But don’t forget the most important part of the costume: a can-do attitude that’s as irreverent and playful as Bart himself. Cowabunga, dude!

If you really want to capture Bart’s iconic look, don’t forget to add his favorite catchphrases, like “Ay Caramba!” and “Don’t have a cow, man!” You’ll be the talk of Springfield when you show up to your next costume party as this beloved animated character. Just be sure to steer clear of Principal Skinner and Mrs. Krabappel, unless you want to spend your evening in detention!

14. Bane

For a darker and more sinister vibe, consider Bane from “Batman”. Dress up in a muscle suit and mask, and you’ll be ready to break the Bat.

15. Bojack Horseman

Bojack Horseman is a complex and multi-dimensional character from the eponymous Netflix show. And now, you too can embody his equine essence with a costume that’s both clever and attention-grabbing.

Don a horse head mask and complete the look with stylish sunglasses and a varsity jacket emblazoned with the letters “BH”. It’s a bold choice that’s sure to stand out in a sea of more conventional Halloween costumes.

Don’t be surprised if you find yourself fielding questions about the philosophical underpinnings of Bojack’s self-destructive behavior, as well as inquiries about where you found such a stunningly accurate horse mask.

16. Barb Holland

If you’re looking for something with a kick of nostalgia, Barb Holland from “Stranger Things” is a fitting choice. Dress up in a plaid shirt and jeans, and style your hair in a ’80s-inspired perm to nail the look of this iconic character.

17. Baby Driver

For a more high-octane option, consider dressing up as Baby from “Baby Driver”. A pair of sunglasses, earbuds, and a red jacket will make sure you look as cool as the titular getaway driver himself.

18. Betty Boop

Transport yourself back in time with a Betty Boop costume, one of the most iconic cartoon characters of all time. With her signature flapper style, you’ll turn heads at any party or gathering.

All you need is a red dress and high heels to embody her sultry demeanor, and a curly black wig to capture her distinctive look. But what truly makes Betty Boop a timeless icon is her infectious charm and playful energy, which will leave everyone around you feeling uplifted and ready to have some fun.

19. Barney Stinson

For the ultimate “bro” costume, Barney Stinson from “How I Met Your Mother” is a must. Suit up in a sleek suit, tie, and slicked-back hair, and you’ll be ready to pick up the ladies at your next Halloween party.

20. Buttercup

For a more kick-butt option, dress up as Buttercup from “The Powerpuff Girls”. A green dress, black tights, and combat boots are all you need for a look that’s tough and adorable all at once.

21. Beetle Bailey

Another classic comic character to consider is Beetle Bailey. Wear a green military uniform and a helmet, and you’ll be ready to take orders from Sergeant Snorkel in no time.

22. Betty Rubble

For a more prehistoric option, Betty Rubble from “The Flintstones” is a great choice. To capture her style, all you need is a simple blue dress and a black wig adorned with a bone. Of course, it wouldn’t be complete without her signature necklace and bangles. Join her and her husband Barney for some prehistoric fun and don’t be surprised if you start craving a brontosaurus burger!

23. Batgirl

If you’re a fan of Batman but want to switch up the gender, consider Batgirl. With a sleek black bodysuit, flowing cape, and striking mask, you’ll embody the iconic hero’s fierce spirit and tenacity. Batgirl isn’t just a lame copy of the Caped Crusader – she’s a formidable crimefighter in her own right.

24. Bowser

For the gamers out there, Bowser, the notorious Super Mario villain is a fun choice. Dress up in a spiked shell, green and yellow scales, and menacing horns, and you’ll be ready to take on Mario and Luigi.

25. Bowsette

And if you want to get in on the popular “mashup” trend, Bowsette from “Super Mario Bros.” is a creative option. Combine Bowser’s monstrous look with Princess Peach’s cutesy appearance, and you’ll have a unique and attention-grabbing costume.

26. Bo Peep

For a more lighthearted and whimsical option, dress up as Bo Peep from “Toy Story”. A pink polka dot dress and a blue hair bow are all you need to embody the charm and sweetness of this beloved character.

27. Bulma

For anime fans, Bulma from “Dragon Ball Z” is a great choice. Dress up in a short blue wig, pink dress, and boots, and you’ll be ready to help Goku and and the rest of the DBZ gang take on powerful bad guys across the universe.

28. Black Manta

Looking for a costume that’s both fierce and fearsome? Look no further than Black Manta from DC Comics. This villain of the deep is known for his iconic red and black diving suit, complete with a menacing jetpack and powerful laser beams that shoot from his eyes. He’s the ultimate foe for Aquaman and any other superhero who dares to cross his path.

29. Beast Boy

If you’re looking for a more lighthearted costume option, consider Beast Boy from Teen Titans. This shapeshifter can transform into any animal he chooses, making him a unique and intriguing character. His playful personality and love of joking around make him a fan favorite.

Dress up as Beast Boy with green skin and pointy ears and let your fun-loving personality shine. Join forces with the Teen Titans or create your own adventure, but be prepared for a wild ride.

30. Boba Fett

Boba Fett, the infamous Star Wars bounty hunter, exudes mystique and menace. Clad in his iconic Mandalorian armor, Boba Fett is a perplexing figure whose past and motivations remain shrouded in mystery, up until the recent Disney+ series. His helmet is both striking and sinister, adding to the enigmatic air that surrounds him.

He is a character that inspires both fear and fascination, making him an excellent choice for anyone seeking a captivating costume.

More Cosplay Ideas That Begin with B

  1. Blossom from “The Powerpuff Girls”
  2. Bulbasaur from “Pokemon”
  3. Broly from “Dragon Ball Z”
  4. Blaze the Cat from “Sonic the Hedgehog”
  5. Big Bird from “Sesame Street”
  6. Brooke Davis from “One Tree Hill”
  7. Butterfree from “Pokemon”
  8. Bernard from “The Rescuers”
  9. Balthazar Bratt from “Despicable Me 3”
  10. Billy Hargrove from “Stranger Things”
  11. Black Lady from “Sailor Moon”
  12. Beatrice from “Over the Garden Wall”
  13. Bugs Bunny from “Looney Tunes”
  14. Betty Cooper from “Riverdale”
  15. Blue from “Jurassic World”
  16. Bilbo Baggins from “The Hobbit”
  17. Baloo from “The Jungle Book”
  18. Bucky Barnes from Marvel Comics
  19. Beast from X-Men
  20. Black Bolt from Marvel Comics
  21. Blackheart from Marvel Comics
  22. Banshee from X-Men
  23. Black Knight from Marvel Comics
  24. Bizarro from DC Comics
  25. Blue Beetle from DC Comics
  26. Bumblebee from “Transformers”
  27. Batwoman from DC Comics
  28. Billy the Puppet from “Saw”
  29. Bo-Katan Kryze from “The Mandalorian”
  30. Brooke Maddox from “Scream”

More Costume Ideas That Start With B

  1. Baker
  2. Banana
  3. Barista
  4. Basketball Player
  5. Bat
  6. Beach Bum
  7. Bee
  8. Beer Bottle
  9. Bellhop
  10. Bird
  11. Blacksmith
  12. Bobsledder
  13. Book
  14. Bowling Ball
  15. Boxer
  16. Bride
  17. Builder
  18. Blue Man Group
  19. Business Person
  20. Butcher
  21. Butterfly
  22. Bartender
  23. Banker
  24. Barber
  25. Buffalo
  26. Bowler
  27. Bear
  28. Boy Scout
  29. Baseball Player
  30. Bubble Bath

Lukas Lima

Been on the cosplay scene since 2015. SDCC Veteran. Prop Maker. Part-Time Superhero.

Add to Collection

No Collections

Here you'll find all collections you've created before.