Because you like Sheldon J. Plankton in SpongeBob SquarePants

Michael Bluth is the only sane person in a family of eccentrics. At least, that's how he thinks of himself. See them in Arrested Development.

Loyal to his family and associates and distrustful of anyone else, Tony Soprano is a good guy to have on your side. See them in The Sopranos.

Samwell Tarly is a scholar, not a fighter. But that's not good for an aspiring member of the Night's Watch. See them in Game of Thrones.

Davos Seaworth is steadfast, intelligent, and trustworthy, which are hard traits to find in a place like Westeros. See them in Game of Thrones.

April Ludgate doesn't like sunshine. She's more of a blood and guts kinda girl. See them in Parks and Recreation.

Ciri had a princess upbringing, and some of the facts of common people's lives are a mystery to her. See them in The Witcher.

A crooked cop, Harvey Bullock is the product of a not-so-just criminal justice system. See them in Gotham.

After having his mind altered after a bad breakup, Joel Barish is not convinced that ignorance is bliss. See them in Eternal Sunshine of the Spotless Mind.

Britta Perry has never met a cause she couldn't passionately champion—at least for a little bit. See them in Community.

When Rin Matsuoka is not swimming, he mostly spends his time brooding or listening to angry Dubstep. See them in Free! Iwatobi Swim Club.

Lying is the most fun a girl like Alice can have without taking her clothes off. See them in Closer.

Seth is short-tempered, crude, and terrible at school, but hopefully there's nothing an epic party can't fix. See them in Superbad.