brainiac

Etymology
, with influence from, the name of an early computer. The term was coined in the Superman comic book and first appeared in Action Comics #242 in July, 1958.

Noun

 * 1)  A very intelligent and usually studious, erudite person.

Translations

 * Finnish:
 * French:
 * German:
 * Italian:
 * Polish: mózgowiec
 * Spanish: cerebrito, pitagorín