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♪She's Katie Ka-boom, Katie Ka-boom. She lives in a house with a garden in bloom. Her family knows that at anytime soon their little lady Katie goes... ka-boom!♪
~ Katie Ka-Boom theme song.
I'm not overreacting, I'm a teenager!
~ Katie Ka-Boom's official catchphrase due to her mental breakdown

Katie Ka-Boom is an antagonist in Animaniacs, being the main antagonist of one of the show's side segments titled Katie Ka-Boom. Though she is not inherently evil by design, she is callous and self-absorbed enough to be a serious threat to those around her.

She was voiced by Laura Mooney.

Biography

Katie appears to be a beautiful sixteen-year-old girl dealing with the life of an average suburban teenager and, like most teenagers, is prone to over-dramatics, angst, random mood swings and egomania. Unfortunately for her family, Katie is capable of shape-shifting into large, vicious monsters (whose forms usually relate to the cause of her anger) and generating natural disasters when she gets angry.

While having a daughter/sister that stresses over things like driving tests and dates is normal, Katie's family know to go into full lockdown when such incidents occur. Katie's tantrums transform her into various monstrous forms and herald explosions, tremors and energy blasts. The cause of Katie's supernatural powers is never touched upon and really just creative license given for how teenagers get.

Her parents and brother appear to be normal humans, although her mother describes Katie's outbursts as a phase, meaning she will grow out of it. This could mean one or both of her parents had similar transformations when they were her age, but that would also mean Katie's brother may go through the same phase when he becomes a teenager. Regardless of cause, Katie is a menace to her entire neighborhood, often with her parents and brother at ground zero of Katie's acts of destruction. Yet for some reason, none of her neighbors seem to really notice or pay much mind to said destruction when they come around soon after Katie calms down.

Personality

Being a typical teenage girl, she’a very dramatic and emotionally difficult. When she's in her normal state, she's actually is a very beautiful and nice girl. Though when she goes "ka-boom", she turns into a destructive monster, literally.

Appearance

In human form, Katie is a teenage female. She appears to be 16-years-old and has a short blonde bob. She has a light blue shirt that somewhat hangs from her shoulders, pink pants and blue slip on shoes. She also wears pink lipstick on her lips.

Before she changes into a monster her eyes glow, her voice changes and she grows. In monster form she seems to be able to change into different forms. As one monster she looks like a green monster and her clothes are ragged, but she has also been seen as a fiery monster. More often than not, the transformation is related to the upsetting situation, such as a giant telephone monster when her friend calls her and her dad forgets to tell her the message, a Big Daddy Roth-esque hotrod monster during a driving lesson, a giant green monster with a huge pimple and a beast in a prom dress for when arguing about Katie's curfew for staying out late during prom night. However, after she explodes, she is fine and her clothes are unaffected while the rest of her family and nearby surrounding is completely ruined.

Katie doesn't seem to be aware of her exploding and turning into a monster after she has blown up, but she might just not come on it. During her transformation she'll deny her parents statements that she's a monster, saying "I'm not overreacting, I'm a teenager!".

Quotes

You're gonna like my parents. They're wired, but they're nice. Wait here, I'll go find them.
~ Katie Ka-Boom.
He not a chicken.
~ Katie Ka-Boom.
You never like my friends! You never every-one I like!
~ Katie Ka-Boom.
You never like my friend Never Never!
~ Katie Ka-Boom.
Katie Ka-Boom: Huh? You really are a chicken. Why didn't you tell me? .
Chicken Boo: Buck?

Katie Ka-Boom: Why did you tell me?!.

~ Chicken Boo and Katie Ka-Boom .
I'm not overreacting I'm dating a Chicken!
~ Katie Ka-Boom.
My life is over!
~ Katie Ka-Boom.
Too far?! How this for too far!
~ Katie Ka-Boom.
I Know what I'm doing!
~ Katie Ka-Boom.
I Know how to drive Mom! I know How to drive! I know how to drive
~ Katie Ka-Boom.
My head is cool!
~ Katie Ka-Boom.
Maybe you want to drive!
~ Katie Ka-Boom.
Stop it you make me nredvrse
~ Katie Ka-Boom.
He's Late! I've been stood up!
~ Katie Ka-Boom.
I've been stood up! I've been stood up! I've been stood up!
~ Katie Ka-Boom.
You always take her side!
~ Katie Ka-Boom.
I have a pimple! I have a pimple! I have a pimple!
~ Katie Ka-Boom.

Trivia

  • Katie is a parody of "The Incredible Hulk".
  • Katie made three cameo appearances in the series.
    • She appeared in one scene as a green alien looking monster in "The Big Wrap Party" when Yakko mention some characters names.
    • She (in human form) appeared in one part in the beginning of “The Scoring Session" where Katie is among one of the characters part of the orchestra. When the sub named Neivel Nosenest came, Katie wasn’t seen in the orchestra pit afterwards.
  • Nicholas Hollander based Katie on his own teenage stepdaughter who would often explode at every little thing that went wrong.

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