Dress up your four-legged pal as Thor with this adorable two-piece costume, with the vibrant color and style of the old school comic book Thor.

This is a cute bodysuit-style dog costume in Captain America's retro comic book colors of red, white, and blue. You'll get a matching headpiece with the Cap dog shirt.

This great pet costume has your best four-legged friend dressed up as the superhero Spider-Man! With this purchase you'll receive a pet-sized shirt costume and separate mask-style headpiece.

This is an easy, fun tunic-style costume with a detached hood. This costume, like the others listed here, comes in various sizes to fit a variety of dog breeds.

Bring along your very own green monster Incredible Hulk for Halloween this year! This is a fun muscle-look pet costume with a Hulk hood. This would be a great team costume if you dress up as mild-mannered Bruce Banner!

This is one of the essential pieces to the costume. The costume mustache includes non-toxic adhesive to secure it in place on your upper lip.

Wear this monocle between your cheekbone and your brow, or let it hang from your neck with the attached black strap.

Top off your look with this Monopoly Man style hat made of felt. This is a great costume piece that can be used for so many different looks -- a Halloween staple!

Wear this with your white shirt and black coat. It's just like the one the Monopoly Man wears!

Pick up a pack of Monopoly-style play money for your costume. Attach pieces to your hat or coat, have it flowing from your pockets, hand it out while trick-or-treating, or make it rain!

You'll also need a black top coat for the costume. If you don't already have one in your wardrobe, there are a lot to choose from on Amazon, like this one by Lucky Brand.

The Monopoly Man wears grey slacks like these under his top coat. If you don't already have a pair, pick up pants like these from Haggar.

Make it a couple's costume when you pair the Monopoly Man with this pre-made costume tunic. The one-piece costume is worn over the head like a big head scarf and is a funny match with a Monopoly Man costume.

Pumpkins wears a signature suit covered in purple jack o'lanterns like this one.

Pumpkins has short curly black hair. His 'do has a white streak, just like the one on this wig.

Grab a couple of buddies and dress up as the whole gang. Pumpkins is flanked by a pair of dudes in skeleton costumes like these.

The skeletons have funny white hair, kind of like this. Complete the sidekick look with a white fright wig.

You'll be recognized as one of Legoland's finest when you wear this awesome police officer costume. The kit comes with a costume tunic, matching pants, LEGO figure mask with police hat, and yellow minifigure hand gloves.

Dress up like Emmet himself with this awesome Halloween costume for kids. For the construction worker look, you'll get the costume tunic with matching pants, minifigure mask, and of course the iconic LEGO hands in the form of gloves.

This scary LEGO vampire costume comes with everything you need to become a blood-sucking minifigure! The outfit includes a tunic with cape, vampire mask, pants, and white LEGO figure gloves.

Dress up like the newest LEGO movie hero -- Batman of Gotham! This Halloween costume comes with what you'll need to be the caped crusader for trick-or-treating. The kit comes with the costume tunic with attached cape, matching pants, Batman mask, and LEGO figure hand gloves.

This great LEGO costume comes with everything you need to transform into a minifigure firefighter for Halloween! You'll get the fun costume tunic with matching pants, plus a firefighter mask and LEGO hand gloves.

Dress up as Batgirl herself with this great costume inspired by the look of LEGO minifigures. You'll get a costume tunic with cape, Batgirl mask (with its own mask!), and LEGO minifigure-style gloves.

Dress up as a spooky / funny skeleton with a twist for Halloween. The twist: you're not just any skeleton, you're a LEGO skeleton! This purchase comes with the costume tunic, mask, and LEGO hand gloves. Match with black pants and you'll be good to go!

Dress up as hero Lance from the LEGO Nexo Knights series this Halloween. This officially licensed Lance costume comes with a tunic and matching pants, plus minifigure mask, and LEGO-style hand gloves.