Because you like Sheldon J. Plankton in SpongeBob SquarePants

Though raised to think of himself as a monster, Quasimodo has a heart that holds nothing but compassion. See them in The Hunchback of Notre Dame.

Don't ask Rosa Diaz, a Brooklyn detective, to lighten up. Actually, to be safe, don't ask her to do anything! See them in Brooklyn Nine-Nine.

Prim and proper Allie Hamilton was raised to follow the rules. But she's got a fiery rebellious side too. See them in The Notebook.

Beautiful and artistic, Aria Montgomery follows her own path. See them in Pretty Little Liars.

Bucky Barnes used to be a good-hearted American soldier. Now he's the cold-hearted Winter Soldier. See them in Marvel Cinematic Universe.

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.

Kenzo Tenma would have never guessed that ten-year-old he saved would later become a deadly serial killer intent on "thanking" him. See them in Monster (TV Show).

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.

Insightful about everyone else's neuroses, Rose Lalonde is not as aware of her own. See them in Homestuck.

Clarice Starling is patiently working with one serial killer to stop another. See them in The Silence of the Lambs.

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