In The I.T. Crowd, Maurice Moss (Richard Ayoade) works in the IT department of Reynholm Industries. He’s highly intelligent, but struggles to communicate with anything besides a computer keyboard.
In The Big Bang Theory, Sheldon Cooper (Jim Parsons) has a genius IQ and photographic memory, though he spends most of those brain cycles on comic books, sci-fi, and sci-fi comic books. He himself enjoys costumes, even dressing up as Raggedy C3P-O one Halloween.