Oracle aka Batgirl (DC Comics)
Batgirl has been an expert hacker and tech expert in the DC Universe for many years now. In the Pre-New 52, she was Oracle. In this role, she aided many Bat Family characters by hacking, providing intel and being their eyes in the sky all from a computer.
Static (DC Comics)
Virgil Hawkins has always loved superheroes and comic books. When he gained powers, he used that knowledge to build his suit, and his knowledge of science has also helped him build his weaponry.