10 Most Memorable Animated TV Scientists Of All Time

6. Susan And Mary Test

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Cartoon Network

For an 11-year-old kid, Johhny Test has a lot of arch nemesis. Fortunately for him, he has his twin sisters Susan and Mary around that help provide the means to deal with them.

While they may not be particularly good friends with their younger brother, they do appreciate his help as a guinea pig for their experiments. Susan and Mary's inventions are key in helping Johnny defeat his enemies. Without them, he would never be able save the world as frequently as he does.

That being said, he frequently creates his own problems by messing with Susan and Mary's experiments.

The main gift Johnny's sisters gave him is his best friend Dukey the dog. As a result of one of Susan and Mary's experiments, Dukey gained human level intelligence and the ability to talk. Dukey is key partner in crime on all of his adventures. Johnny's life wouldn't be the same without him.

 
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Ian Goodwillie is a freelance writer based out of Saskatoon, SK, Canada. He has a BA in English Literature from the University of Saskatchewan and completed the Writing Program at Vancouver Film School. More importantly, Ian is also a wrestling fan, comic book reader, video game player and photographer. He loves to write and writes about what he loves. Ian's also an unrepentant, unapologetic Cougar Town fan, a show he will defend until the day he dies.