Dee Dee (Dexter's Laboratory)

Dee Dee is the deuteragonist in the Cartoon Network series, . She is Dexter's blond-haired older sister. She was voiced by Allison Moore in Seasons 1 & 3, and by Kat Cressida in Seasons 2 & 4.

Bad Qualities

 * 1) She has the tendency to tease her brother, Dexter, for no discernible reason.
 * 2) She is extremely hyperactive and spends most of her free time just destroying or ruining Dexter's lab in various ways for her own enjoyment.
 * 3) She also tampers with her brother's inventions. Thus, she is the main reason her brother's inventions go awry all the time.
 * 4) These are some of the episodes where she is arguably at her worst:
 * 5) *In the episode, “Dexter is Dirty”, when Dexter cloaks himself in rubber, Dee Dee notices he's very slippery and uses him as a sled and makes him destroy the house in the process.
 * 6) *In the episode, “Nuclear Confusion”, she steals Dexter's nuclear core to force him to play her scavenger hunt and inadvertently almost destroys the world with a nuclear meltdown.
 * 7) *In the episode, “Germ Warfare”, she intrudes Dexter's lab and spread her germs despite Dexter telling her to stop and infects him with the flu.
 * 8) *In the episode, “No Power Trip”, Dee Dee gets off scot-free after she removes a lifting tool from the family car Dexter uses to recharge his laboratory, causing the car to cause havoc in the city as Dexter could not slow it down, and the car gets damaged after it crash lands.
 * 9) *In “Framed”, she eavesdropped on Dexter and Douglas' conversation and humiliates them on the bus and mocks Dexter by wearing his glasses, breaks them and gets off scot-free.
 * 10) *In the episode, “Quiet Riot”, while Dexter tries to sleep, she kept on interrupting him by making so many noises when she could have simply just left his bedroom, close the door to it, and go on about her day. However, she does receive karma from Dexter at the end.
 * 11) *In the episode, “Trick or Treehouse”, because of the times Dexter kicks her out of his laboratory, Dee Dee builds a treehouse where everyone except Dexter is allowed in. When Dexter enters it and out of curiosity gets trapped under bread box, Dee Dee mocks him then leaves to wreck his laboratory.
 * 12) *In the episode, “Opposites Attract”, she kept touching Dexter in unsettling ways.
 * 13) *In the episode, “Remember Me?”, when Dexter gets amnesia, Dee Dee decides to play tricks on him by creating a whole new identity for him in her image, even going as far as to record it.
 * 14) *In the episode, “They Got Chops”, she repeatedly assaults Dexter with her judo skills.
 * 15) *Notable in the episode, “Oh, Brother”, Dexter genderswaps Dee Dee's into Doo Dee, who is an extremely unlikeable jock and bully, although Dee Dee isn't directly responsible for this mishap.
 * 16) Her singing in “Dee Dee Be Deep” is really ear-piercingly bad.
 * 17) She's hypocritical whenever Dexter goes into her room and messes with her stuff. For example, in the pilot episode "Changes", she becomes angry with Dexter after she found out that he had her doll in his lab for an experiment, presenting her hypocrisy.
 * 18) *She was also hypocritical in “Faux Chapeau” where she blames Dexter for selling the helmets that enlarged everyone's heads when she was the one who sold it to the public first and gave Dexter the idea to sell it in the first place.
 * 19) She crudely insults Dexter at times, such as calling him "dorky" or "four-eyes", although Dexter also does insult her at times.
 * 20) There are also a handful of moments where she displays a high level of idiocy, such as when she thinks a certain type of animal is another type of animal (ex. “Jurassic Pooch”, “Techno Turtle”, and “Comedy of Feathers” just to name a few).
 * 21) *In the episode “Folly Calls”, is where her idiocy has hit rock bottom. Dexter gives her a potion to make her missing hair grow back. However, Dee Dee squirts too much of it in her hair, and she blames Dexter for everything that has happened even though it was mainly her own fault, and instead of thanking him for saving her life, she tells Dexter to not ever leave his inventions at the hands of the "idiotic". Monkey logic, much?
 * 22) From, she got flanderized to become more and more idiotic, destructive, and annoying than she already was prior to Season 3.
 * 23) She barely gets punished for her actions and sometimes gets rewarded for the things she does, showing her "Karma-Houdini" status, while Dexter is often left to getting the short end of the stick.

Good Qualities

 * 1) She loves and cares for her brother deep down, despite how she treats him.
 * 2) She has been shown to actually be a very wise girl for her age who displays far better common sense than her brother and less naivety about subjects that Dexter is completely ignorant about. She also has a far better understanding of nature and inner peace than her brother as well as apparent knowledge of important biological and botanical subjects, being very familiar with the achievements of biologist and friar Gregor Wendell who even Dexter was completely ignorant of.
 * 3) Her friendship with Mee Mee and Lee Lee can be fun and entertaining.
 * 4) While she lacks Dexter's skills in technology and science, she has shown to posses a powerful imagination that can even bring imaginary creatures to life, and she can even travel to the imaginary world of Koosland and interact with imaginary creatures such as the Koosalagoopagoop (or Koosy for short). In Seasons 3 & 4, she is also made the creator of Koosland.
 * 5) Her design is decent (including in Seasons 3 & 4, though by then, it became almost off-modeled).
 * 6) She is decently portrayed in some episodes, such as these: “D & DD”, “Sassy Come Home”, “Paper Route Bout”, etc.
 * 7) She does help Dexter at times.
 * 8) *One notable episode is “Way of Dee Dee”, when Dee Dee teaches Dexter to find his inner peace and escape his secluded and lonely lifestyle. Dee Dee actually takes the blame when Dexter starts destroying his own lab.
 * 9) *Another example is in the episode “Dexter's Debt”, Dee Dee loans Dexter her $200 million check to pay off his debt to NASA, ever after he tried to steal it from her piggy bank, but under the condition that they share Dexter's lab.
 * 10) Some of her lines and catchphrases are decent.
 * 11) Both of her voice actresses, Allison Moore and Kat Cressida, did a decent job portraying her in their respective seasons.
 * 12) Dexter's Laboratory would likely not be as great as it is without her.

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