Because you like Huck Finn in The Adventures of Huckleberry Finn

A meticulous forensic scientist, Edward Nygma is insanely good at his job. Emphasis on the "insane" part. See them in Gotham.

An off-beat dork, John Egbert is funny, inventive, and endlessly optimistic. See them in Homestuck.

A Silurian lizard woman, Madame Vastra has a penchant for puzzles and interspecies romance. See them in Doctor Who.

A charming acapella performer, Jesse Swanson perfectly blends being nerdy with being cool. See them in Pitch Perfect.

Although she is underestimated, Lagertha never fails to prove her worth as both a warrior and a mother. See them in Vikings.

Blaine Anderson is a put-together prep school boy with the voice of an angel. See them in Glee.

A kind, sensitive medical intern doing the best he can, George O'Malley sometimes struggles to keep up. See them in Grey's Anatomy.

Helena is a mentally unstable, childish, and completely merciless. And most of all, she's an unstoppable killer. See them in Orphan Black.

There is never a dull moment with Jim Moriarty: expect booze and sing alongs in between all of the homicide. See them in Sherlock.

In the simplest terms, in the most convenient definitions, people consider Brian a nerd. But he's more than that. See them in The Breakfast Club.

Few high school students could be less concerned with labels. See them in Ouran High School Host Club.

Jessica Rabbit isn't bad. She's just drawn that way. See them in Who Framed Roger Rabbit.