Theodore From Her

• What to wear: A red shirt with the highest-waisted pants you can find. Top it off with glasses, a mustache, and an earpiece.
• How to act: Shy and unsure of yourself. Talk to yourself like you're talking to a girl you love.

Irving Rosenfeld From American Hustle

• What to wear: Make like Irv and give yourself an elaborate comb-over. Wear a '70s suit and glasses, and stuff your belly a little.
• How to act: Like a charming con man.

Electro From The Amazing Spider-Man 2

• What to wear: This one's pretty easy: blue face paint and a black hoodie.
• How to act: Like you're electrified!

Star-Lord From Guardians of the Galaxy

• What to wear: A long, red leather jacket, a t-shirt, and boots with a crossbody bag. Extra points for the Walkman or mask.
• How to act: Cocky, heroic, and charming.

Groot From Guardians of the Galaxy

• What to wear: A body- and head-covering tree costume. Time to get creative with the DIYs.
• How to act: Lumber around and only say one thing: "I am Groot."

Rocket From Guardians of the Galaxy

• What to wear: A raccoon suit with a little vest and pants over it.
• How to act: Inappropriate and bossy. Swear a lot.

The Collector From Guardians of the Galaxy

• What to wear: A fancy-looking suit under a fur-lined cape with a white wig and white eyebrows.
• How to act: Pompous. Sneer a lot, and look at everyone and everything as if you're appraising its value.

Rust Cohle From True Detective

• What to wear: A wig pulled back into a ponytail with a mustache and a dull-colored shirt and boots.
• How to act: Speak unintelligibly and say the weirdest stuff you can imagine.

Jake From Brooklyn Nine-Nine

• What to wear: A button-down shirt and black leather jacket with your badge hanging around your neck.
• How to act: Cocky but funny and sweet, too.

Ichabod From Sleepy Hollow

• What to wear: An old-fashioned coat with a high collar and a linen shirt. Wear a wig if your hair's not long, and pull it halfway up.
• How to act: Regal, smart, and a little weirded out by modern times.

Kevin From The Leftovers

• What to wear: A police uniform and aviators.
• How to act: Wary of your surroundings and deadly hot [3].

Sherlock From Sherlock

• What to wear: The classic Sherlock hat, plus a big tweed coat and blue scarf.
• How to act: Brilliant and totally charming.

Lorne Malvo From Fargo

• What to wear: A long, dark trench coat, black clothing, and gloves. This is the time for a fake mustache, too.
• How to act: Threatening but still a little charming.

Lester Nygaard From Fargo

• What to wear: A big orange parka, a fur hat, and a befuddled expression. Carry a suitcase to complete the look.
• How to act: Insecure but sneaky. Go hard with that North Dakota accent.

Kristoff From Frozen

• What to wear: Gray, fur-lined clothes and a red belt, plus a little cap, like how he's styled on Once Upon a Time [4] (and you get to wear Uggs!). Bonus points if you bring a stuffed Sven.
• How to act: No-nonsense but warm-hearted underneath all your outer layers.

Hans From Frozen

• What to wear: Frozen villain Hans needs a regal costume, but most importantly, you have to have big sideburns. And a fake horse you can ride while trick-or-treating.
• How to act: Slick and charming at first but also like you can't be trusted.

Olaf From Frozen

• What to wear: Just rock a white suit with a carrot nose and sticks for arms (and "hair").
• How to act: Say cute, witty things constantly and perhaps burst into song.

The Flash From The Flash

• What to wear: TV's newest superhero requires a dark red suit that covers your head and whole body. Don't forget the black flash symbols over the ears.
• How to act: Kind of naive but ready to kick butt.

Joffrey From Game of Thrones

• What to wear: Since this year's Joffrey is all about Choking Joffrey, wear his regal wedding clothes and crown, while clutching your throat and a goblet.
• How to act: Like you're choking. And like you deserved it.

Hercules From Hercules

• What to wear: No shirt, unless you have a black leather vest. Otherwise just rock a fur loincloth, and of course, a lion head on your head.
• How to act: Strong! Tough! You're Hercules!

Pornstache From Orange Is the New Black

• What to wear: A blue officer's shirt and black pants. Make your hair into a flattop and wear a thick black mustache.
• How to act: Sketchy. Walk into the room like you own it and eyeball everyone until they're uncomfortable.

Ja'mie From Summer Heights High

• What to wear: A wig with long, straight brown hair. Wear a private school uniform with a name tag that says "Ja'mie" and saddle shoes with white socks.
• How to act: Supersnooty. Tell everyone why this party isn't nearly as cool as the one you threw last year.

Quicksilver From X-Men: Days of Future Past

• What to wear: A silver jacket to match your silver hair and some cool goggles.
• How to act: Very, very, very fast. One more very: very fast!

Falcon From Captain America: The Winter Soldier

• What to wear: A t-shirt and jeans will fit nicely under your gigantic wings.
• How to act: Trustworthy and solid.

The Winter Soldier From Captain America: The Winter Soldier

• What to wear: A suit of armor with a metal arm, long, greasy hair, and a mask that covers your nose and mouth.
• How to act: Don't speak, but do seem extremely tough and threatening.

Emmet From The Lego Movie

• What to wear: A construction worker's uniform and a big yellow head.
• How to act: Like everything is awesome!

Jamie From Outlander

• What to wear: A linen shirt, boots, and a kilt, of course.
• How to act: Summon up your best Scottish brogue and act tough.

M. Gustave From The Grand Budapest Hotel

• What to wear: A purple concierge uniform and a fancy little mustache.
• How to act: Accommodating and clever; offer to help everyone you come across with something.

Sara From The Tonight Show Starring Jimmy Fallon

• What to wear: A purple sundress and a blond wig with a pink bow.
• How to act: Say "Ew!" all the time, complain about your stepdad Gary, and talk about who you have a crush on. Get your speech lessons here [5].

Korath From Guardians of the Galaxy

• What to wear: A bald cap with a headpiece to look like Korath's skull, plus elaborate body armor and bright blue contacts.
• How to act: Robotic and cruel.

Ronan From Guardians of the Galaxy

• What to wear: Dark blue fact paint and a close-fitting green shirt with shoulder pads. Fashion a loose hood.
• How to act: Cruel and villainous.

Drax the Destroyer From Guardians of the Galaxy

• What to wear: Wear no shirt and paint your body green with an orange design on top of it. Yellow pants complete the tough look.
• How to act: Tough and fierce. When you speak, be very direct and literal and confused when anyone else uses sarcasm.

This year's pop culture costumes for men