GroguGrogu, Pizza Planet Alien & Grand Admiral Thrawn
Alien Costumes
Costume Wall has 80 alien costume guides, from pointed ears under a uniform to full fur and carapace suits. Grogu needs only a robe and a green ear headband. The Pizza Planet Alien adds antennae, three eyes and green makeup. Grand Admiral Thrawn keeps a white Imperial uniform and changes only his skin and eyes. Below you will find the Star Wars species, the Crystal Gems, the Saiyans and the comic-book cosmic characters, with the headpieces, body paint and creature suits that read across a room.
80 costume guides Editorial reviewed Oct 3, 2026
Which Alien Costume Should I Pick?
Grogu uses a robe and ear headband, the Pizza Planet Alien adds green makeup and antennae, and Thrawn keeps a human-shaped uniform while changing skin and eyes.
GroguA tan robe, a green ear headband and the Mudhorn disc
Pizza Planet AlienGreen makeup, an antenna beanie and a blue sweatshirt
Grand Admiral ThrawnA white uniform with blue skin and red eyesAlien Costume Ideas by Character
Browse alien characters by franchise and transformation style, then open the guide for its actual costume pieces.
80 Alien costumes
Alien costumeAhsoka Tano
Star Wars Jedi look: the robes with a black cloak, headpiece, orange body paint, marking tattoos, knee-high boots and dual lightsabers.
Alien costumeAlien
Easy alien look: a silver metallic tee or zentai suit, lime green accents, dark basics, sneakers, a green antenna headband and silver face gems.
Alien costumeAayla Secura
Twi’lek Jedi look: the blue Aayla costume with a leather strap, statement lipstick, liquid makeup and a laser sword.
Alien costumeAdmiral Ackbar
Star Wars’ Mon Calamari commander look: a large fish-like head mask, a cream Rebel uniform, a rank badge and gloves.
Alien costumeAmethyst
Steven Universe Crystal Gem look: a purple star patch, long wig, black crop top and leggings with knee-high white boots and a gem jewel.
Alien costumeBlackfire
Teen Titans’ Tamaranean princess look: silver metallic bodysuit, purple crop top and skirt, wide silver belt, purple gem necklace, purple bob wig and tall purple boots.
Alien costumeBlue Pearl
Homeworld Gem attendant look: a sky blue wig, powder blue face paint, a light blue chiffon dress and the oval gem stone.
Alien costumeBombshell Supergirl
DC Bombshells’ retro pin-up hero look: the blue and red costume, the flowing cape, the blonde wig and the gloves.
Alien costumeBombshell Superman
DC Bombshells 1940s pin-up hero look: blue top with the S emblem, red cape, high-waisted shorts and tall boots.
Alien costumeBrandon Breyer
Brightburn supervillain look: the red mask and cape with a striped polo, long-sleeve shirt, jeans and Converse low tops.
Alien costumeBroly
Dragon Ball Super Saiyan look: lime green spiky wig, white baggy pants, red waist sash, gold costume boots and gold jewelry.
Alien costumeChewbacca
Wookiee sidekick look: the Chewbacca costume with a bowcaster, Han Solo’s blaster, a sound mask and a utility belt.
Alien costumeConquest
Invincible Viltrumite villain costume: bald cap with white hair, white mini sclera contacts, dark red eye pencil, white mustache and a Viltrumite spandex suit.
Alien costumeDarth Maul
Sith apprentice look: the black tunic and hooded Darth Maul costume, latex mask, double-sided lightsaber and black boots.
Alien costumeDebut Pearl
Peach-haired ballet Gem with a gold star patch in cotton spandex shorts: a strappy leotard, a mini tutu skirt and lime green socks.
Alien costumeDr. Zoidberg
Futurama lobster doctor look: the tentacle beanie, lab coat, scrubs, claw gloves, toe socks and flip flops from the costume kit.
Alien costumeDrax the Destroyer
Tattooed warrior in spandex gloves: a studded leather belt, black leather pants and a pair of concrete kneepads.
Alien costumeE.T. and Elliot
1982 Spielberg sci-fi look: red hoodie, grey shirt, light blue jeans, white blanket and an E.T. plush toy.
Alien costumeEleventh Doctor
Doctor Who’s bow-tie Time Lord look: brown tweed blazer, light blue striped shirt, navy bow tie, black slim trousers, black lace-up boots and the green sonic screwdriver.
Alien costumeFat Thor
Avengers Endgame dad-bod god in fingerless glove: a red cardigan sweater, plaid pajama pants and a brown beard.
Alien costumeFirst Doctor
Doctor Who’s original Time Lord look: navy suit jacket, beige waistcoat, white dress shirt, checkered pants, ribbon bow tie, slick back wig, dress boots and the walking stick.
Alien costumeGamora
Guardians of the Galaxy assassin look: the green face paint and catsuit, curly wig, braided leather cords, green lipstick and a sword.
Alien costumeGarnet
Crystal-gem fusion in a black afro wig: a white mirrored visor, a magenta bodysuit and black knee-high boots.
Alien costumeGohan The Great Saiyanman
Dragon Ball Z Great Saiyaman look: the green tunic, black bodysuit, white cape, gloves and visored helmet.Showing 1–24 of 80 Alien costumes
Load more costumesNo matches. Try another character or clear your filters.
Make Your Alien a Costume
Start with the feature that changes the wearer most, then build the species and the character together.
StarfireOrange skin, a purple crop top and a long red wig
SpockA blue uniform shirt, pointed ears and a phaser
XenomorphA black carapace, a ridged skull and a thrashing tailChoose How Much You Want to Transform
E.T. and Elliot keep a face-visible look with a headpiece and a hooded blanket, while Admiral Ackbar and Aayla Secura rely on head shape and skin colour instead. Thanos and Brandon Breyer need paint or a mask before anything else goes on.
Decide first whether you want your face visible, because that choice affects comfort, communication and how long the costume takes to put on. A face-visible look is also the easier one to eat, drink and photograph in at a party, and it lets you talk.
Build the Species and the Character Together
Green paint alone does not make Rose Quartz, and pointed ears alone do not make Spock. Pair the alien feature with the right coat, uniform, robe or colour blocking, and test the body paint against the collar and gloves before the night itself arrives.
Secure head-tails or ears before adding outer layers, and check that a mask leaves a workable field of view. Ahsoka Tano’s striped head-tails, Marvin the Martian’s Roman helmet or the Pizza Planet Alien’s three eyes each carry the character on their own.
Rehearse Full Creature Suits
Full creature suits need a movement check. Walk, sit and turn in Chewbacca, Groot, Venom or Predator before the party, because vision and heat are the two things that end a night in a mask early and send you home before the photos.
Keep one exact cue prominent instead of adding more: the Xenomorph’s ridged skull, Venom’s white eye shapes or the bark texture across Groot. Stitch, Megamind and Conquest show how far a single head or suit goes on a plain outfit.
Match a Pair or a Whole Group
A group works when each person takes a different species marker. The Saiyans split easily between Goku, Vegeta, Broly and Son Gohan, and the Crystal Gems divide neatly into Amethyst, Pearl, Garnet, Peridot and Lapis Lazuli. Assign headpieces early.
Pairs read just as clearly: Starfire beside Blackfire, Rocket Raccoon with Mantis, or Yondu with Nebula. Give every person a distinct skin tone, headpiece or tail so the group still shows its species at a distance and in dim party light.
Alien Costume FAQ
What is an easy alien costume to recognize?
Spock starts with a blue uniform shirt, black trousers, pointed ears and a controlled dark fringe. Marvin the Martian and the Pizza Planet Alien use brighter cartoon pieces, while Grogu can be built from a robe and wide ear headband.
Which alien costumes keep my face visible?
Thrawn, Gamora, Ahsoka, Unity and Yellow Diamond use face or body color while keeping expressions visible. Spock needs only pointed ears and hair styling around a familiar uniform.
Which alien costumes use a full mask or suit?
Predator, Chewbacca, Groot, Venom and Darth Maul can involve substantial masks, creature pieces or complete suits. Test vision and movement before choosing one for a long event.
Do I need body paint for an alien costume?
Not always. Grogu, Predator, Chewbacca and Groot use headpieces or suits. For Gamora, Thrawn, Ahsoka or Unity, paint supports the look, but gloves and higher collars can reduce how much skin you need to cover.
Can alien costumes work as a group?
Yes. Guardians of the Galaxy offers Gamora, Nebula, Drax, Mantis, Rocket, Yondu and Groot. Star Wars offers Ahsoka, Grogu, Chewbacca and Darth Maul, while Spock belongs in a separate Star Trek group.
Are all Gem characters aliens?
The Steven Universe Gems are extraterrestrial beings in the story. Yellow Diamond and Sardonyx are full Gems, while Steven is a human-Gem hybrid; his everyday clothing makes that distinction part of the card.
Sources & How We Choose
Each entry was checked against its current published Costume Wall item list, guide copy and saved character portrait. The type describes the character in the represented story, while the card explains the specific costume version.
Editorial review completed .
Choose Your Alien Costume
Start with the feature that changes the wearer most: ears, skin color, head-tails, fur, bark or armor. Then use the correct robe, uniform or everyday clothes to make that species into one specific character. A lighter face-visible look can be just as clear as a full creature suit when those details agree.
Related Collections
Best Scary Horror Movie Costumes
Browse frightening film characters when horror is the main goal.
Best Villain Costumes
Explore villains across films, television, games and animation.
Best Superhero Costumes
Find heroes whose costumes use suits, uniforms and larger transformations.
