Scientist with Guitar — Gray

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Scientist with Robot — Gray

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Anime characters with sleeping Z's

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scientist with army of mario clones

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Dexter from Dexter's Laboratory

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scientist riding dinosaur

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Scientist in explosion

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Character Making Toast — Black

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Anime Girl in Lab Coat — Purple

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woman in lab coat holding sample

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Man in Lab Coat — White, Friendly

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Psyduck in a lab coat

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