24 Brilliant TV Brainiacs

7. Cisco - The Flash

A man of many skills, Cisco is one of Team Flash's most important members. He's a mechanical engineering genius, an expert computer hacker and so much more. His mind is an abyss of knowledge that we can only begin to understand.
8. Felicity - Arrow

Beauty and brains define Felicity. She's one of the smartest women on television and understands the complexities of saving the world from dark forces. We can't imagine a world without her.
9. Charlie Eppes - Numb3rs

Charlie is a mathematical genius who, at the age of three, could multiply four-digit numbers in his head. He works with his FBI-agent brother, Dan, to solve some of the FBI's most perplexing cases.
10. Harold Finch - Person of Interest

A brilliant and reclusive billionaire, Harold Finch built a machine that can predict future crimes. The machine is able to predict either the perpetrator or the victim by his or her social security number. Finch can't prevent the crimes by himself, so he hires former CIA operative and Green Beret, John Reese to help. The two of them work together to make the world a better place.
11. House - House

Despite being a cranky and egotistical type of guy, House is a medical genius who can solve the most difficult of medical problems. Just when it appears there is no hope, House comes through with a solution saving the day and, more importantly, saving someone's life.
12. Lex Luthor - Smallville

Aren't all bad guys super-geniuses in some form or another? Lex Luthor is a brilliant scientist who has no problems creating weapons to bring the good guys down. He's also a shrewd businessman with an encyclopedic knowledge of history and culture. In other words, Lex Luthor has it all.