Happy Halloween week, folks! We've got evil robots, enough Ghostbusters to strike terror into the heart of even the largest Stay-Puft marshmallow man, a xenomorph that'll make you go awww, and one last chance for you to show off your own amazing costume before the holiday is over all inside.

Do you have an incredible costume that you're putting together? Then post it here for us to see this week (pictures of yourself only, please). The best of the best will be featured on io9. And, in the meantime, check out some of these marvelous costumes from last week for inspiration.

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Commenter Strange Case and family make the strange (but highly credible!) case for adding an expected descriptor to a set of costumes built around a parasitic, chest-bursting alien: totally adorable.

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Hey, it's commenter GrizzlyUrsula! But you may know them better as Star Lord.

Commenter ZeroG_Inc reminds us of a basic Star Wars tenet: Every master has an apprentice.

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Whatever you do, DO NOT attempt to disconnect this costume by commenter SeanHurlburt.

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Okay, commenter AAtard, you've convinced me: Let's see this Ghostbusters reboot.

Commenter Spoooon ain't afraid of no ghost! Probably due to this fancy proton pack he rigged up out of electrical Boxes, film canisters, PVC and a cake pan:

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And speaking of fancy proton packs, commenter The Riddler gives the whole ensemble an update:

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