This is a funny green mask of a Praying Mantis. There are over 2000 species in the mantis family, with a lot of similar-looking types, so this is hard to pin down to species. Match this with a lime-green outfit and hold your hands in a prayer position -- you can't go wrong. You could also go for the full costume with this choice.

You'll create a buzz when you wear this funny full bee costume complete with inflatable striped black and white rear. The mechanism stays inflated with a set of 4 AA batteries (not included).

Ick. This full cockroach costume hs fuzzy legs and long antennae. Ick. It's a hooded foam tunic costume with an authentic look. Ick. Wear this with brown tights or brown pants to complete the look. Ick.

Here's another costume that comes complete with extra legs. This outfit comes with the top that has a hood and extra spider legs. You'll also get an abdomen piece and knee and ankle accessories to pair with your own black pants, tights, or leggings for the seventh and eighth spider legs. Spiders aren't technically insects but they go well with this themed group costume.

Speaking of creatures that aren't insects, this mask of a banana slug goes well with an insect group costume even if it isn't technically correct. Pair this realistic mask with a banana-colored outfit to complete the slimy look. Leave a trail of moisture behind you for added authenticity.

Go as the beautiful monarch butterfly with this awesome and easy costume cape. Wear this with an all-black outfit and you'll be ready for Halloween. You can add an antenna headband and bug eyes glasses to complete the look.

Darth Vader probably has the most famous and most recognizable lightsaber out there, a simple single-light red number with lights, sounds, and voice.

Before he was Darth Vader, he was Obi-Wan's padawan, Anakin Skywalker. The eventual Dark Lord served under Obi-Wan and his blue lightsaber.

Do you know why Mace Windu has a purple blade on his lightsaber? Because that's the color actor Samuel L. Jackson requested!

This green bladed lightsaber is inspired by the one used by Anakin Skywalker's padawan, Ahshoka Tano.

This costume lightsaber is inspired by the blade wielded by Anakin Skywalker before he turned to the Dark Side. Fighting alongside clones, Master Skywalker used a blue lightsaber like this one.

This is another iconic costume lightsaber, complete with double blades. The two-sided red saber used by Darth Maul is very recognizable and a must-have for anyone dressing up as Darth Maul. This one includes LED lights and sounds.

This fun costume lightsaber is inspired by a new character to the space saga. This lightsaber has one long red blade and two smaller blades coming out of the handle, just like the one used by Kylo Ren.

This deluxe costume for kids comes with a muscle-chest printed jumpsuit with attached wrist gauntlets and boot tops. The outfit also comes with a mask.

This awesome kid-sized accessory has claws that extend and retract!

This awesome Black Panther costume actually lights up! The jumpsuit has light trim at the chest. The jumpsuit comes with a matching mask.

Possibly the most important piece of any Harry Potter costume is the Hogwarts-issued Gryffindor House school robe. This officially licensed robe is child-sized to reach ankle length.

If you're going to be Harry Potter, you'll need his round rimmed glasses. This officially licensed costume pair should do the trick!

This easy child-size neck tie is in the same pattern as Harry Potter's Gryffindor house. The maroon tie has golden yellow stripes.

This magic wand costume accessory isn't just for looks! This wand has light effects and three different movie magic sounds.

Play lazy Deadpool with this fun one-piece pajama set for adults. The red, black, and grey PJs include a hood for maxium comfort.

This adult-sized pajama one-piece comes complete with a masked hood and attached cape.

You don't have to wear skin-tight leggings and a bustier to go all Wonder Woman -- just pick up this awesome and comfortable superhero onesie!

Dress up as the hero Superman with this comfy one-piece costume pajamas. This one comes with a cape attached with velcro.

Dress up as the DC Comics character Harley Quinn with this fun adult-sized romper. The red and black one-piece includes a hood with attached mask.

This fun red romper is an adult-sized pajama set in the style of superhero The Flash. Get this and you can zoom off to sleep in a "flash"!