Want to get into the Halloween spirit this year, but don't want to wear an elaborate costume? Costume t-shirts like the ones listed below are a great alternative. Wear these with matching pieces or items already in your wardrobe to complete each look.

1 Charlie Brown from Peanuts Costume Top

Found on Amazon – See more in Television & Movie Costumes

The iconic yellow shirt with black chevron stripe worn by the world's most famous lovable loser is an officially licensed Peanuts product. Pair this Charlie Brown costume shirt with black shorts you already have for an easy and affordable Halloween costume.

2 Cowboy Printed Costume T-Shirt

Found on Amazon – See more in Costumes for Men

Yee haw! Here's a fun and easy costume idea -- go as a cowboy when you pick up this cowboy costume t-shirt. This matches easily with jeans you already love to wear.

3 Airline Pilot Printed Costume T-Shirt

Found on Amazon

This funny t-shirt costume starter makes the wearer look like an airline pilot. The pilot shirt print includes epaulets on the sleeves, necktie, aviator glasses, airline wings pin, and pen in breast pocket.

4 Wonder Woman T-Shirt with Cape & Headband

Found on Amazon – See more in Wonder Woman Costumes

This fun Wonder Woman costume t-shirt comes with its own detachable cape and a yellow headband accessory. Wear this with blue leggings (with white stars for full authenticity) or simply pair with your favorite jeans for a comfortable Halloween costume.

5 Buzz Lightyear Adult Costume T-Shirt

Found on Amazon – See more in Toy Story Costumes

This is a fun Disney-Pixar character costume t-shirt in an adult size. Sometimes animated character outfits are hard to find in adult sizes so this Buzz Lightyear costume t-shirt is a great find. This is a front and back printed top with Buzz's jetpack printed on the back.

6 Star Wars Mando with Grogu Printed Costume Shirt

Found on Amazon – See more in Boba Fett Costumes

Pick up this awesome Mandalorian top with a print that features Grogu riding along in a sling bag! Pair this with light grey or tan pants that you probably already have in your closet for a super-easy and popular Star Wars sci-fi-inspired costume.

7 Pirate Costume Black T-Shirt

Found on Amazon – See more in Pirate Costumes and Pirate Costumes

This 100% cotton top has a front print that looks like a pirate buccanneer. The look includes a jacket over a red-striped laced shirt, black belt over red sash, and pirate dagger. All you need is a pirate hat or bandana for a Halloween look.

8 Superman Costume T-Shirt with Cape

Found on Amazon – See more in Superman Costumes

Wear this top under a partially opened Oxford shirt and black rimmed glasses for a fun and different look. This top comes with a detachable red cape with S logo. Pair with blue tights for a true superhero look.

9 Teenage Mutant Ninja Turtle Costume Top

Here's a fun group (of four) costume idea: go as the TMNT gang! Featured here is Donatello. This green adult t-shirt has a print on the front and back and would match nicely with green pants!

10 Captain America All-Over Printed T-Shirt

Found on Amazon – See more in Captain America Costumes

Here's another great superhero t-shirt costume starter. This is a sublimated true all-over printed top made of 100% polyester. The shirt features the chest and torso of Cap himself. Wear this with blue bottoms (even jeans) to complete the easy costume.

More I'm Just Here For The Boos Shirt Choices

I'm Just Here For The Boos Halloween Ghost Drinking Pun Pullover Hoodie – Funny Pun Boos - Booze Drinking Holiday Halloween Mashup Design; Drinking Booze on Halloween? Or Are You Just There For the Boos?; 8.5 oz, Classic fit, Twill-taped neck. View on Amazon
I'm Just Here For The Boos Halloween Ghost Drinking Pun Raglan Baseball Tee – Funny Pun Boos - Booze Drinking Holiday Halloween Mashup Design; Drinking Booze on Halloween? Or Are You Just There For the Boos?; Lightweight, Classic fit, Double-needle sleeve and bottom hem. View on Amazon
I'm Just Here For The Boos Halloween Ghost Drinking Pun Premium T-Shirt – Funny Pun Boos - Booze Drinking Holiday Halloween Mashup Design; Drinking Booze on Halloween? Or Are You Just There For the Boos?; This premium t-shirt is... View on Amazon
I'm Just Here For The Boos Halloween Ghost Drinking Pun Long Sleeve T-Shirt – Funny Pun Boos - Booze Drinking Holiday Halloween Mashup Design; Drinking Booze on Halloween? Or Are You Just There For the Boos?; Lightweight, Classic fit, Double-needle sleeve and bottom hem. View on Amazon

Halloween is all about transformation. What better costume idea is there than to become nature's master at transformation: the butterfly? These amazing insects beautifully transition from caterpillar to winged beauty as part of their life cycle. Here are some butterfly wings and other accessories for your Halloween costume.

1 Soft Monarch Wing-Cape for Adults

Found on Amazon

This is an adult-sized set of orange and black wings that fall as fabric when not being held up. The wings are worn using shoulder loops and finger loops and can be paired with almost any black outfit for a complete butterfly look.

2 Insect Antenna Headband

Found on Amazon – See more in Accessories

Another fun accessory for your butterfly outfit, aside from your chosen wings, is a set of antennae! The thick antennae are attached to a one-size-fits-all headband and are held up with internal wire.

3 Child Fantasy Purple Butterfly Wings

Found on Amazon

This glittery set of butterfly wings is sized for kids and comes in pretty shades of purple and lilac. These are cloth wings that are worn with loops at the shoulder and fingers.

4 Oversized Adult Monarch Butterfly Wings

Found on Amazon

This set of orange and white wings is huge! The wings are worn around the neck. Fiberglass rods along the top of each wing are used to display fully extended.

These adult sized dog masks are so realistic, they're almost creepy! Combine these with pooch-appropriate color-coordinated clothes and go full canine, or wear a mask with fancy dress for a more confusing and hilarious costume this Halloween. Group costume idea: Dogs Playing Poker!

1 White Poodle Adult Human Mask

Found on Amazon – See more in Masks

Wear this white poodle mask with an all white outfit, or dress in a poodle skirt for a meta costume that will make everyone laugh. Latex mask with faux fur details.

2 German Shepherd Latex Adult Mask

Found on Amazon

This German Shepherd Dog mask would go well with a brown and black outfit, or combine with a police uniform and suddenly you're a K9 for Halloween.

3 Latex Pug Dog Human Adult Mask

Found on Amazon

Go as a flat-faced pug this Halloween with this fun pug dog latex mask! This one's great for pug owners!

4 Border Collie Latex Dog Costume Mask

Found on Amazon – See more in Masks

This molded latex mask is great if you'd like to go as a Border Collie for Halloween! Get some friends to dress up as sheep to make it a group costume!

So Many Different Witches!

Dressing up as a witch for Halloween may be fairly standard, except when you take into account how many different kinds of witches there are! Check out these wildly different witches and see how unique you can be when you dress up as a witch for Halloween!

1 Wicked Witch Oz Halloween Dress Costume

Found on Amazon

Just add some green makeup to this high-quality witch costume and you'll be all set to go as the Wicked Witch from The Wizard of Oz this Halloween! The deluxe black dress comes with a petticoat.

2 Glamourous Witch Halloween Costume

Found on Amazon

This glamorous witch costume features a pointed hat with decorative purple sash and buckle, plus a long-sleeve dress with purple sash and standing collar. Pair with a black broom and glam high-heel boots for a completely glamorous Halloween look!

3 Maleficent Disney Witch Halloween Costume

Found on Amazon

This hot black witch costume includes a sculpted horn-shaped headpiece so you'll look just like Maleficent from the Disney movie. The polyester gown has arched shoulders and a neckline detail, plus dramatic open bell long sleeves.

4 Gothic Witch Gown Halloween Costume

Found on Amazon

This beautiful witch costume includes a gorgeous trimmed polyester gown and a satin witch hat with flourishes.

5 Bloody Salem Executed Witch Costume

Found on Amazon

Being a witch in 1692 Salem was no picnic- everyone knows that. This traditional black witch costume comes white apron and collar stained in blood. There is even a vinyl neck noose! The witch hat has a large decorative buckle typical of the era.

6 Glinda the Good Witch Wizard of Oz Costume

Found on Amazon

You know that witches can be good, right? This costume is inspired by the helpful witch from The Wizard of Oz: Glinda. The elegant costume includes a beautiful pink gown and glittery tiara.

From sharks to giraffes and bears, it's a zoo out there on Halloween! Join the party with one of these hilarious animal costumes. Your kids will love it when you go out trick-or-treating with them dressed up as a furry friend. Show your love for wildlife this year with one of these funny adult animal costumes.

1 Funny Man-Eating Shark Costume

Found on Amazon

This clever one-piece costume includes a shark body and fake legs coming out of the mouth. The shoes are not included. This man-eating shark costume is also fun for Shark Week shenanigans!

2 Complete Giraffe Costume for Halloween

Found on Amazon

Giraffes are awesome, so why not dress up this Halloween with Rasta Imposta's giraffe deluxe animal costume? This costume comes with a shirt with attached hooves and tail, matching pants, and separate giraffe headpiece.

3 Furry Bear Jumpsuit Costume

Found on Amazon

This bear hooded jumpsuit is the coolest costume around. Great for Halloween, everyday dress-up and sleepovers. This sherpa fleece polyester jumpsuit is available in three different sizes.

4 Plush Fox Jumpsuit Costume

Found on Amazon

Become a fast and clever fox with this furry fox costume for Halloween.

5 Party Animal Costume Hat

Found on Amazon

Once the beer starts flowing, this guy then turns into the biggest party animal you've ever seen! This costume piece is a funny hat that looks like an orange safety cone with text that reads "Caution Party Animal Below!" in all capital letters.

6 Cowboy and Horse Costume

Found on Amazon

Round up those steers and the rest of your cattle in this classic cowboy riding a horse costume! The fun ride-upon costume style is always good for spreading laughter on Halloween!

7 Monkeying Around Costume

Found on Amazon

Rasta Imposta's monkey costume is a deluxe buy in both quality and hilarity! This costume comes with a headpiece, monkey shirt, monkey pants, and monkey gloves.

8 Funny Squirrel Costume

Found on Amazon

Collect your nuts this Halloween and dress up as a squirrel for Halloween. This costume comes with a head, body, gloves, and two large nuts.

9 Adult Cow Jumpsuit Costume

Found on Amazon

It's time to join the funny farm! You'll be the wackiest cow on the pasture with this crazy cow jumpsuit costume. Be sure to pick up some black and white face make-up to give yourself the complete look this holiday.

10 Funny Thanksgiving Turkey Onesie Costume

Found on Amazon

Gobble gobble gobble. Watch out for hunters and pilgrims when you dress up as a turkey this Halloween. This funny turkey costume can be re-used for your Thanksgiving Turkey Trot! It's also super comfortable as a jumpsuit or adult onesie style garment.