Halloween isn’t just a time to wear trashy costumes and collect candy. It’s also an opportunity to dress the animal in your life up, as fantastically as you want. Here are our favorite geek-centric costumes for pets.

DARTH VADER

PUG VADER. Darth Bark???

BANTHA WITH SANDPERSON

Let’s hope bantha fodder tastes good to dogs.

PRINCESS LEIA

Help me, Obi-Meow Kenobi. You’re my only hope.

Your cat will never forgive you for this, but it will be awesome.

YODA

Dog or dog not. There is no try.

AT-AT WALKER

Echo station 3-T-8, we have spotted canine walkers.

RAPTOR

“You stare at him, and he just stares right back. And that’s when the attack comes. Not from the front, but from the side, from the other two raptors you didn’t even know were there.”

TRICERATOPS

“God creates dinosaurs, God kills dinosaurs, God creates man, man kills God, man brings back dinosaurs.”

VAMPIRE

Undeadly cute.

WIZARD

Yer a wizard, hairy.

CAPTAIN AMERICA

Adorables Assemble!

IRON MAN

This means costume war, Cap.

THE INCREDIBLE HULK

You’ll still like me when I’m angry.

THOR

Now you face the mightiest Adorable of all!

SUPERMAN

a.k.a. Bark Kent.

BATMAN

“They told me there was nothing out there, nothing to fear. But the night my parents were murdered I caught a glimpse of something. I’ve looked for it ever since. I went around the world, searched in all the shadows. And there is something out there in the darkness, something terrifying, something that will not stop until it gets revenge...Me.”

WONDER WOMAN

Thank Hera for this.

SHERLOCK HOLMES

The [tennis ball] game is afoot.

KERMIT

Miss Piggy not included.

MINION

Win at Hallowmeme.

PIRATE

Savvy?

SNOW WHITE

Fur as white as snow!

NINJA TURTLE

Raphael is cool but rude.

NINJA TURTLE

Michaelangelo is a party dude.

MR. SPOCK

This is highly illogical, Jim.

These are our favorites—but if we missed one of yours, be sure to put it in the comments. And can anyone lend us a dog for Halloween?