For when you want to look like you're naked, but not really be naked, this skinned dude is both scary and educational.

Ebola is possibly the least sexy thing on the planet, yet here we have this costume.

Did the Vikings take workout equipment along on their longships? Hopefully, this Viking at least has a coat.

Holy chest exposure, Batman! Please note this costume is labeled "Boy Sidekick," and naturally we have no idea whose sidekick they're talking about. Neither do any trademark attorneys out there.

Aren't you a little sexy for a Star Wars Stormtrooper?

We found several sexy Darth Vader costumes. Here's one of the tamer ones.

This one raises the sexiness level of Darth Vader, though we highly doubt such a busy and important leader would don a corset.

After seeing some of the Vader costumes out there, this R2-D2 look seems positively prudish.

Hey guys! Which way to my X-Wing Fighter? Guessing those spiked heels are not pilot-appropriate.

Ever seen a physician walk into an exam room dressed like this? One wonders if this doctor scrubbed up before operating.

Do you even need to ask if this patient costume opens in the back?

Yandy.com calls this a Sexy Undecided Voter costume, but we're kind of surprised they didn't just call it Kendra Bone, after you-know-who.

Be prepared to explain this one to those who don't obsess over online memes: a costume version of the infamous dress that divided America.

This zombie Roman warrior was born that one day when the cast of "The Walking Dead" accidentally stumbled onto the set of a gladiator movie.

No way could she pass for Jason Voorhees' mother, so this costume is labeled "Jason's Babe."

This one's dubbed "Ms. Freddy Krueger." Maybe she hangs out with "Jason's Babe."

Yee-haw! This seems like a dangerous amount of skin to expose when out riding the range, but maybe this cowboy would fit right in in "Westworld."

It's a "Sexy Fighting Turtle." Not to be confused in any way with those other teenage turtles you may have heard of.

This secret agent costume manages to show off both his gun and his guns.

I don't know, but I've been told/this soldier's arms might get real cold.

Can we all just agree that Minions are never sexy? FYI, on one costume site, this is called a "Sexy Subordinate," because someone owns a thesaurus.

Seem to remember that the real Ezio from Assassin's Creed is a lot more covered up than this version.

Hoping the person in this Pokeball costume runs up to anyone dressed as Sexy Pikachu and just punches them right out.