Have you ever wondered which costumes start with what letters? This is often the topic of interest for people hosting or attending letter parties, where you draw a letter from a hat to determine your costume. This time, we'll talk about costumes that start with the letter "G". There are tons of great costume ideas that would appeal to anyone! From Halloween favorites and scary costumes to characters and more, keep reading for all of the best letter "G" costume ideas,
1. Ghost Costumes
| Lady in Black Ghost Costume | Kids' Scary Ghost | Child Ghost Onesie | Plus Size Gentleman Ghost |
It's tough to get more iconic costumes for Halloween than a ghost costume. Whether you want to save money with a sheet ghost or terrify the neighborhood with a scary ghost costume, there are plenty of options for all ages. Get a cozy ghost onesie for chilly trick-or-treating or hand out candy as a gentlemanly ghost—these are all great ghost costume ideas!
2. Ghostbusters Costumes
| Adult Ghostbusters Costume | Girls' Ghostbusters Dress | Kids' Ghostbusters Costume | Plus Size Women's Ghostbusters Costume |
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When you have ghosts, you need Ghostbusters. Your letter "G" costume can easily be turned into a group costume idea for family or friends, but it's also easily recognizable solo. There are Ghostbusters costume styles for men and women and boys and girls, or you can wear a unisex Ghostbusters costume. We guess that's the perk of being a popular costume idea!
3. Grinch Costumes
| Adult The Grinch Costume | Child Santa Grinch Costume | Kids' Grinch Jumpsuit | Adult Grinch Onesie Costume |
Get more mileage from your Halloween costume by wearing a Grinch costume for Halloween and Christmas! You can be a Santa Grinch or a regular Grinch or wear a cozy Grinch costume. There are options for Grinch costumes with masks or open faces so that you can pick the most comfortable costume for you. It's hard to be grouchy about that!
4. Gorilla Costumes
| Adult Gorilla Costume | Kids' Gorilla Costume |
We're not monkeying around when we say that a gorilla costume is a great costume idea that starts with "G". Everyone knows exactly what your costume is without asking. Plus, you have every excuse to be a party animal! Grab a banana accessory or two, and you're ready to have a good time.
5. Grim Reaper Costumes
| Adult Grim Reaper Costume | Girls' Grim Reaper Costume | Kids' Reaper Costume | Women's Grim Reaper Costume |
Is there such a thing as too many scary costume ideas for Halloween? We don't think so! Plus, Grim Reaper costumes give you the excuse to have a scythe, and that's pretty rad. If you love playing around with Halloween makeup, Grim Reaper costumes also allow you to try skeleton makeup styles. Let your creativity out with a Grim Reaper costume!
6. Green Ranger Costume
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Go, go, Power Rangers! Like other teams of color-coded heroes, the Power Rangers had the famous Green Ranger, as indicated by his very green color scheme. Originally under Rita Repulsa's spell, he was an antagonist to the Power Rangers before joining them. Harness the power of the Dragonzord when you wear this Green Ranger costume!
7. Godzilla Costume
Kids' Inflatable Godzilla Costume
Movie monsters are another popular costume idea for Halloween, and you don't get much more iconic than Godzilla, the King of the Monsters. This inflatable Godzilla costume is tons of fun to wear, not to mention a bit silly! Give everyone your best roar, and don't forget to say cheese.
8. Galadriel Costume
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Step into the fantasy world of Middle Earth with a Galadriel costume! Mighty in battle and a fair ruler, she is one of the greatest elves in the Tolkien universe. Most Galadriel costumes will mean wearing a long, white dress, but you can add elf ears, an elven crown, and long blond hair to make it feel complete.
9. Gangster Costumes
| Adult Gangster Costume | Girls' Gangster Costume | Kids' Gangster Costume | Plus Size Gangster Costume |
The 1920s were a wild time in American history, from flappers and women's suffrage to jazz music and prohibition. There was also the rise of organized crime, with many famous gangsters creating networks in large cities. These vintage villains were iconic for their taste in tailored suits, but not to be trifled with. The key to an excellent gangster costume is a pinstripe suit paired with a fedora hat. It's all about the presentation, see?
10. Gnome Costumes
| Plus Size Garden Gnome | Toddler Gnome Costume | Girls' Garden Gnome | Adult Gnome Costume |
Gnomes are mythological creatures who look like small humanoids and are generally mischievous. They began to be made as cute lawn ornaments in the 19th century, and people still have them around the home today! These adorable little creatures that start with "G" are perfect costume ideas for anyone who loves a touch of fun and fantasy.
11. Goku Costumes
| Adult Goku Costume | Kids' Goku Costume |
While many anime characters start with "G", Goku is likely the most famous of them all! Goku is the main protagonist of the Dragon Ball franchise, where everyone's on the hunt for Dragon Balls and ultimate power. Take down the biggest baddies the universe has to offer with a Goku costume!
12. Gumball Machine Costumes
| Adult Gumball Machine Costume | Child Gumball Machine Costume |
Not everyone wants to wear a character costume for Halloween, and that's fine! Candy costumes are zero pressure and are always very cute. These gumball machine costumes are great costume ideas that start with "G" for women and girls. Pair it with an adorable makeup look to pull it all together!
13. Genie Costumes
| Adult Genie Costume | Kids' Genie Costume | Plus Size Genie Costume |
Disney has a massive cast of characters, so of course, several Disney characters start with "G"! Genie was voiced by the famous Robin Williams, giving him an incredible range of vocal expression. We're not asking you to be Robin Williams when you wear a Genie costume, although people would love it if you remembered a line or two. You ain't never had a friend like me!
14. Gladiator Costumes
| Plus Size Gladiator Costume | Kids' Gladiator Costume | Adult Gladiator Costume |
Share your favorite moments in history with a historical costume. They're fun, educational, and look fantastic. (Plus, you have every excuse to have a sword prop!) Accessorize as much as you wish with gladiator sandals, helmets, swords, and shields, or keep it casual with the costume on its own. It's always great to have options!
15. Gryffindor Costumes
| Adult Harry Potter Costume | Child Hermione Costume | Kids' Gryffindor Robe | Adult Hermione Costume |
Harry Potter fans know that Gryffindor is one of the four houses students can be part of at Hogwarts. Gryffindor students wear robes with red and gold house colors. The students are known for their courage and determination, personality traits that usually sort them into the Gryffindor house. You can dress like a famous Gryffindor student like Harry Potter and Hermione, or wear a house robe and be yourself as a Gryffindor student. Welcome to Hogwarts!
16. Goofy Costumes
| Adult Goofy Costume | Kids' Goofy Costume | Plus Size Goofy Costume |
No, we're not talking about silly costumes. Goofy is a Disney character who is often in cartoons with Mickey Mouse! He's a loveable klutz with a funny way of speaking, but he's so endearing at the same time. You'll love these Goofy costumes if you're a big Goofy fan! Gawrsh!
17. Garfield Costumes
| Plus Size Garfield Costume | Kids' Garfield Onesie Costume | Adult Garfield Onesie Costume |
Quite a few carton characters start with the letter "G," including our beloved Garfield! These onesie Garfield costumes are so cute and cozy looking for a chilly Halloween night. They're cute, simple, and easy to wear! You won't need any costume accessories, although a side of lasagna would be hilarious!
18. Grape Costumes
| Purple Grapes Costume | Green Grapes Costume |
Purple or green? This is a common question when deciding which grapes to buy. However, you might ask this same question when looking at grape costumes! If you can find a friend to dress up with you, why not both?
19. Gingerbread Man Costumes
| Adult Gingerbread Man Costume | Child Gingerbread Man Costume |
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Run, run, run as fast as you can—you can't catch me, I'm the Gingerbread Man! Gingerbread costumes are another excellent food that starts with "G". Similar to the Grinch costumes, you can get away with wearing these costumes for Halloween and Christmas. Or, make it three times the charm and wear it to a Shrek-themed event or party. Do you know the Muffin Man?
20. Giraffe Costumes
| Adult Giraffe Onesie | Kids' Giraffe Costume | Adult Giraffe Costume |
We love animal costumes, so we couldn't pass up an opportunity to mention giraffe costumes! These gorgeous grazers are iconic African animals with spotted patterns and long necks. While you might not reach the same heights as the unique giraffe, this costume is still unmistakable.
21. Gandalf Costumes
| Adult Gandalf Costume | Plus Size Gandalf Costume |
The Lord of the Rings fans will be happy to know we haven't forgotten about Gandalf! Our favorite grey wizard-turned-white wizard comes and goes when he pleases but arrives precisely when he means to. You shall not pass on this fantastic letter "G" Halloween costume!
22. Glinda Costumes
| Adult Glinda Costume | Girls' Glinda Costume |
We have had quite a few magical characters already, but we also had to include Glinda the Good Witch! Glinda is a famous character from The Wizard of Oz who helps Dorothy on her quest to see the Wizard. She wears a beautiful pink ballgown and a tall, shimmering crown. Don't forget the magic wand!
23. Grogu Costumes
| Girls' Grogu Costume | Child Grogu Costume |
Grogu is one of the Star Wars franchise's newer favorite characters. He used to be referred to as "Baby Yoda" and "The Child" before receiving an actual name. Many Grogu costumes come in kids' sizes because he's just a child, but it's an excellent opportunity for a daddy and me costume!
24. Gaston Costumes
| Adult Gaston Costume | Kids' Gaston Costume |
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According to Gaston, everyone wants to be Gaston. We might not always agree with him, but people may want to be Gaston for Halloween! Disney villains are always on theme for Halloween events, after all. Thankfully, these Gaston costumes have built-in muscles, so you don't have to eat five dozen eggs every morning.
25. God and Goddess Costumes
| Adult Goddess Costume | Child Poseidon Costume | Girls' Goddess Costume | Adult Zeus Costume |
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Many people are fascinated by classical mythology. If you love historical costumes, a god or goddess costume might suit you. You can dress as a specific patron, such as Poseidon or Zeus, or be more ambiguous if you desire. These goddess and god costumes are tons of fun to wear, not to mention comfortable too!
26. George Washington Costumes
| Adult George Washington Costume | Kids' George Washington Costume |
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Plenty of historical figures have names that start with "G,". However, George Washington was an unforgettable founding father and America's first president. These George Washington costumes, thankfully, have all the pieces you need to look the part. They're great for Halloween, history projects, or Hamilton if you love Broadway musicals.
27. Gargoyle Costumes
| Kids' Gargoyle Costume | Girls' Gargoyle Costume |
Traditionally, gargoyles were used in Gothic architecture as spouts to direct rainwater off the roofs and to pour it out and away from the buildings so it wouldn't run down the stone walls and erode the mortar. Not only did they protect buildings from water damage, but they were also made to scare away evil spirits. These protective monsters are a fun spin on the usual scary costumes seen on Halloween.
28. Goldilocks Costumes
| Adult Goldilocks Costumes | Kids' Goldilocks Costumes |
Classic storybook and fairytale characters like Goldilocks can be fun to wear for Halloween. Goldilocks especially lends herself to a great group costume idea if you can get three other people to dress as the three bears. Alternatively, bring a stuffed bear as an accessory for your Goldilocks costume.
29. Giselle Costumes
| Adult Giselle Costume | Plus Size Giselle Costume |
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We don't quite have enough Disney Princesses for every letter of the alphabet, but Giselle from Enchanted works for us for the letter "G"! She might technically be an unofficial Disney Princess. Still, she comes with all the bells and whistles—beautiful dresses, gorgeous hair, and the innate ability to sing and communicate with animals. We can't promise all these things when you wear a Giselle costume, but you'll feel like royalty!
30. Green Lantern Costume
What if you had superpowers only restricted by your willpower and imagination? That's the Green Lantern in a nutshell. There are many Green Lanterns, partly due to the Green Lantern Corp. To be a Green Lantern, you must have one of the special rings that grants them their powers. Are you ready to save the day?
There are quite a few costumes to choose from! Are you looking forward to wearing costumes by letter? What are the best costume ideas that start with "G"? Share your ideas with us in the comments!
