Shani Woolard

Shani Woolard

Modified & Updated: 24 Jan 2024


Dexter’s Laboratory, the beloved animated television series that captured the hearts of millions, introduced us to a multitude of quirky and memorable characters. One such character is Dee Dee, Dexter’s energetic and mischievous older sister. Dee Dee’s bubbly personality and penchant for causing chaos added a delightful touch to the show.

In this article, we will delve into the world of Dee Dee and explore 20 fascinating facts about this lovable cartoon character. From her iconic catchphrases to her unexpected talents, you’ll discover the many layers that make Dee Dee such a cherished presence in Dexter’s Laboratory. So, get ready to reminisce about your favorite childhood cartoon and unravel the mysteries behind Dee Dee’s whimsical nature.

Table of Contents

Dee Dee is Dexter’s older sister.

Dee Dee is one of the main characters in the animated television series “Dexter’s Laboratory.” She is the older sister of Dexter, a young genius inventor.

Dee Dee is known for her energetic and curious nature.

Dee Dee is always full of energy and has an insatiable curiosity. She often finds herself exploring Dexter’s laboratory, much to his frustration.

Dee Dee’s favorite color is pink.

Dee Dee is often seen wearing pink clothing and accessories. Pink is her signature color and reflects her vibrant personality.

Dee Dee loves dancing and has a unique dance style.

One of Dee Dee’s favorite pastimes is dancing. She has a unique dance style characterized by her lively movements and expressive gestures.

Dee Dee has a love for unicorns.

Dee Dee is a big fan of unicorns and often incorporates them into her imaginative play. She believes in their magical abilities and dreams of encountering one.

Dee Dee is known for her catchphrase, “Ooh, what does this button do?”

Dee Dee has a tendency to press buttons without knowing their function, which often leads to unintended consequences and chaos.

Dee Dee has an adventurous spirit.

Dee Dee loves exploring and experiencing new things. Her adventurous spirit often leads her into exciting and unpredictable situations.

Dee Dee has a close bond with her brother Dexter.

Despite their differences, Dee Dee and Dexter share a unique and close sibling bond. They may often clash, but they also care deeply for each other.

Dee Dee has an active imagination.

Dee Dee’s imagination knows no bounds. She often gets lost in her fantasies and sees the world through a lens of wonder and creativity.

Dee Dee loves to sing and has a melodic voice.

Dee Dee has a beautiful singing voice and often breaks into spontaneous musical performances. Her melodic voice adds a touch of joy to any situation.

Dee Dee has a passion for art.

Dee Dee has a natural talent for art and enjoys expressing herself through various creative mediums. She loves painting, drawing, and sculpting.

Dee Dee is known for her distinctive fashion sense.

Dee Dee has a unique and colorful fashion sense. She loves experimenting with different styles and isn’t afraid to stand out from the crowd.

Dee Dee has a pet hamster named Koosalagoopagoop.

Koosalagoopagoop, or Koosy for short, is Dee Dee’s beloved pet hamster. The fluffy critter often accompanies her on her adventures.

Dee Dee has a knack for getting into mischief.

Dee Dee’s curious nature and playful spirit often lead her into mischief. She unintentionally disrupts Dexter’s experiments and causes chaos in his laboratory.

Dee Dee dreams of becoming a professional ballerina.

Dee Dee has a passion for ballet and dreams of becoming a famous ballerina someday. She practices her dance moves whenever she gets the chance.

Dee Dee has a magnetic personality and can easily make friends.

Dee Dee’s friendly and outgoing nature makes her likable to everyone she meets. She has a way of drawing people into her vibrant world.

Dee Dee is skilled at playing the piano.

Dee Dee is not just a talented dancer but also an accomplished musician. She can play the piano with grace and precision.

Dee Dee loves animals and wants to be a veterinarian.

Dee Dee has a deep love and compassion for animals. She dreams of becoming a veterinarian and caring for creatures of all shapes and sizes.

Dee Dee is a source of inspiration for her friends.

Dee Dee’s enthusiasm and positive outlook on life inspire her friends to embrace their own uniqueness and pursue their passions.

Dee Dee’s laughter is contagious.

Dee Dee’s infectious laughter brightens up any room. Her joyous giggles have a way of spreading happiness to those around her.

Those were 20 fascinating facts about Dee Dee from “Dexter’s Laboratory.” Whether she’s exploring Dexter’s laboratory or unleashing her creativity, Dee Dee never fails to bring excitement and laughter to the show.


Dee Dee, the energetic and cheerful sister of Dexter from Dexter’s Laboratory, has captured the hearts of viewers with her vibrant personality and humorous antics. As a fan-favorite character, she adds a delightful dynamic to the show and provides numerous memorable moments. Whether she’s disrupting Dexter’s experiments or embarking on her own adventures, Dee Dee never fails to entertain.

With her iconic phrase “Oooh, what does this button do?” and her infectious enthusiasm, Dee Dee has become an enduring symbol of joy and spontaneity. Her presence in Dexter’s Laboratory is not only entertaining but also serves as a reminder to embrace curiosity and live life to the fullest.

From her unique fashion sense to her ability to find joy in the smallest things, Dee Dee is a beloved character who will continue to be cherished by fans young and old. Dexter’s Laboratory wouldn’t be the same without her, and her impact on the cartoon world is undeniable.


1. Who is Dee Dee in Dexter’s Laboratory?

Dee Dee is Dexter’s older sister and one of the main characters in the animated series Dexter’s Laboratory. She is known for her energetic personality and her tendency to disrupt Dexter’s scientific experiments.

2. What are Dee Dee’s characteristics?

Dee Dee is portrayed as cheerful, free-spirited, and full of energy. She has a passion for dance and art and is often seen expressing herself through various creative activities.

3. Why does Dee Dee always ruin Dexter’s experiments?

Dee Dee has a habit of inadvertently causing chaos and disrupting Dexter’s experiments due to her impulsive nature and curiosity. This dynamic creates comedic situations and adds excitement to the show.

4. Does Dee Dee have any special abilities?

While Dee Dee may not have any superpowers, she possesses a unique talent for finding joy in even the simplest of things. Her ability to appreciate life’s little moments is one of her most endearing qualities.

5. What is the catchphrase associated with Dee Dee?

Dee Dee’s famous catchphrase is “Oooh, what does this button do?” which she often says when encountering a new gadget, device, or button, leading to unpredictable and hilarious outcomes.