Very handy for the mobile gadgeteer, perhaps the perfect accessory for someone moving to an ultrabook or MacBook Air.
From the techcrunch.com
Grant developed Anarky as a gadgeteer-a character who relies on inventions and gadgets to compensate for a lack of superpowers-and as a child prodigy.
From the en.wikipedia.org
A gadgeteer with a flair for mechanical problem solving, Winchell has contributed to his own profession by developing new techniques for making dummies move and for animating films.
From the time.com
More examples
A person who delights in designing or building or using gadgets
A hero who invents special equipment that often imitates superpowers; e.g., Nite Owl, Batman, and Iron Man.