Dexter is the title character of Dexter's Laboratory, the Cartoon Network animated series created by Genndy Tartakovsky that ran from 1996 to 2003. He is a ten-year-old boy genius from an ordinary American family, with curly red hair, semi-circular glasses, a white lab coat and purple gloves. He runs a secret laboratory hidden in his house, which his cheerful parents never notice.

He is known for grand inventions, a huge ego and a constant rivalry with his older sister Dee Dee, who gets past his security and wrecks his work. Mandark, a fellow genius who becomes his arch-enemy, adds to the show's comedy. Dexter admires Albert Einstein and is naive about many everyday things outside science, from girls to biology.

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