evil genius

Noun

 * 1) The spirit each person is believed to have in attendance, according to certain religious or mythological traditions, which tries to negatively influence him, and is opposed by his ; loosely, someone who is a bad influence.
 * 2) An intellectually brilliant person who excells at using his or her mental abilities for negative or harmful ends; especially a criminal mastermind.
 * 1) An intellectually brilliant person who excells at using his or her mental abilities for negative or harmful ends; especially a criminal mastermind.
 * 1) An intellectually brilliant person who excells at using his or her mental abilities for negative or harmful ends; especially a criminal mastermind.

Translations

 * Finnish: ilkeä nero, paha nero
 * French: