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Dexter’s Laboratory Costume Guides

Dress like Your Favorite Dexter’s Laboratory Characters

Looking for costumes of your favorite Dexter’s Laboratory characters? If yes, then you have come to the right spot. Here, you can find all the costumes and cosplay ideas for the most popular Dexter’s Laboratory characters. This animated series from the 90s follows the life of Dexter, a science prodigy with a hidden laboratory. He enamored an entire generation with his comedy of errors. Dexter is continually trying to protect his laboratory and inventions from his bitter rival Mandark. He also has his clumsy older sister Dee Dee who has a knack for knocking his things over. Now you too can dress up as the hilarious Dexter’s Laboratory characters and jump into the world of a throwback cartoon series.

Dexter's Laboratory Costume

Dexter Costume

Dexter is a red-haired, spectacled boy who has a secret laboratory in his bedroom behind bookcases. He comes from a simple American family but speaks in a thick unknowable accent. Though Dexter is highly intelligent, he frequently gets carried away by his excitement and makes poor decisions. He is forever trying to device the latest inventions that will solve any problems that beset him. Though his laboratory is heavily guarded, he is still unable to keep Dee Dee out of the lab, which is the primary source of frustration for him. Look like Dexter today with our cosplay guide and transform into the most loved boy genius of the 90s.

Dexter Costume
Dexter Costume Guide
Dee Dee

Dee Dee Costume

As Dexter’s older sister, Dee Dee is carefree and quite clumsy. No matter what Dexter tries to do, Dee Dee still somehow manages to elude the security and get into his hidden laboratory. There she wreaks havoc in her characteristic joyful strides. Although she can appear quite annoying, she loves Dexter and keeps his laboratory a secret. She loves to dance and is Mandark’s love interest. But, she remains forever indifferent to him. She is captivated by pretty and shiny things, which is the only reason she likes to trespass into Dexter’s laboratory. Dress up like Dee Dee and be the annoying, yet beautiful older sister to Dexter.

Dee Dee Costume
Dee Dee Costume Guide

Dexter’s Laboratory Cosplay Costumes

Whether you want to look like the boy genius Dexter, the next-door boy-genius Mandark, or even Dexter’s mother–there is a character costume guide for all. Dexter remains a fan favorite for most millennial kids. As the brains of the family, Dexter’s daily struggles and the sophistication at which he deals with them have made the show an iconic Cartoon Network TV series. The unforgettable characters are etched in the minds of Millenials to this day.

Cosplaying the characters from this eccentric show doesn’t require you to have the intelligence level of Dexter, but you still need to do some research. But not to worry. Thanks to our step-by-step guide, you can learn what accessories and clothing you will need to pull off your favorite characters convincingly. All the things that you need to look like the characters are provided in full detail inside each cosplay guide.

Dexter’s Laboratory Costume Tips & FAQs

Step into the secret and ingenious world of “Dexter’s Laboratory,” where science and imagination collide in the adventures of a boy genius. This FAQ section is designed for fans who wish to embody Dexter, his rival sister Dee Dee, or any other character from this beloved animated series. Whether you’re preparing for a cosplay event, a themed party, or simply celebrating your love for this iconic show, we’ll guide you through creating costumes that capture the essence of Dexter’s Laboratory, from Dexter’s iconic lab coat to Dee Dee’s balletic grace and boundless energy.

To cosplay as Dexter, focus on his signature look: a white lab coat over a black turtleneck, purple gloves, and black pants. Dexter’s most distinguishing features are his orange hair, thick-rimmed glasses, and black boots. Don’t forget to add a badge or name tag with “Dexter” on the lab coat. Carrying a wrench or a beaker can add authenticity to his boy genius persona. Embodying Dexter’s serious and often frustrated demeanor, especially in response to Dee Dee’s antics, will bring your portrayal to life.

For a Dee Dee costume, her typical ballet outfit is essential: a pink tutu dress, white ballet slippers, and pink ballet tights. Dee Dee’s long blonde hair is usually tied in a ponytail or pigtails, accentuated with small pink ribbons. Accessories like a ballet pose or a stuffed animal can highlight her playful and carefree nature. Emphasizing Dee Dee’s curiosity and her ability to effortlessly disrupt Dexter’s experiments will enhance your portrayal of this energetic character.

To cosplay as Mandark, Dexter’s arch-nemesis, wear a black turtleneck, green pants, and a dark cape or lab coat to mimic his appearance. Mandark’s distinctive features include his tall, egg-shaped head, parted hair in the middle, and round glasses. Practicing Mandark’s signature evil laugh, a deep and melodramatic “Ha ha ha, ha ha ha!” will be crucial to capturing his character. Carrying props like science equipment or blueprints for a new invention can signify his rivalry with Dexter and his own genius intellect.

For Dexter’s Mom, focus on her 1950s housewife appearance, including a light blue dress, an apron with red trimming, and yellow gloves. Her hairstyle is a short, neat bob, often accompanied by pearl earrings and a pearl necklace. Dexter’s Dad’s costume can include a white shirt, tie, green pants, and brown shoes, reflecting his role as the suburban, all-American father. Both characters are known for their exaggerated, cheerful dispositions, which can be fun to emulate in interactions.

Including memorable quotes from “Dexter’s Laboratory” can add depth and humor to your costume or themed interactions. Here are a few iconic lines:

“Dee Dee, get out of my laboratory!” – Dexter

“Omelette du fromage.” – Dexter, from the infamous episode where he attempts to learn French

“What does this button do?” – Dee Dee, often causing chaos with her curiosity

“Ha ha ha, ha ha ha!” – Mandark’s evil laugh

“Dexter, what are you doing in there?” – Dexter’s Mom, often oblivious to the lab’s existence

Choose quotes that fit your character and the situation, practicing their delivery with the appropriate tone and timing for a truly immersive experience.


About Dexter’s Laboratory

Created by Genndy Tartakovsky, Dexter’s Laboratory hit TV screens in 1996 and ran for a solid seven years with a total of 78 episodes. The animated show follows the life of a red-haired boy genius with a propensity for science and invention. He hides his laboratory from his parents and the world. But, alas, his older sister, Dee Dee, ruins his inventions from time to time.

Dexter’s rival, Mandark, also a boy-genius, is always in fierce competition with Dexter. The life of Dexter is fraught with constant struggles against these two, but thanks to his genius mind, he is able to invent intelligent machines to take care of them. Dexter’s Laboratory was the highest-rated cartoon on Cartoon Network for several years and is critically acclaimed as one of the most imaginative shows loved by both kids and adults.

Dexter’s Laboratory Costumes