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The faithful dog belonging to Inspector Gadget and his niece Penny. Brain is Penny’s sidekick, and helps her on missions. Brain has human level intelligence, and can do things that normal dogs cannot, such as ride bikes and use tools. Brain has saved Inspector Gadget countless times. He loves his human comrades, especially Penny. Brain will do anything to protect his humans, and usually endures astounding amounts of punishment. All he wants in return is the company of Penny, and food.
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