Because you like R2-D2 in Star Wars Series
There is never a dull moment with Jim Moriarty: expect booze and sing alongs in between all of the homicide. See them in Sherlock.
Although Theon Greyjoy is treated well, he's still essentially a hostage. And that isn't so easy for him to forgive. See them in Game of Thrones.
A consummate schemer with a knack for solving mysteries, Shawn Spencer has trouble taking anything seriously. See them in Psych.
As a doctor-in-training, John Dorian should have his head in the game. But most of the time, it's in the clouds. See them in Scrubs.
Caleb Rivers is a bad boy with a good reason for acting out. See them in Pretty Little Liars.
Michaelangelo is an above-ground crime-fighter by night, and a pizza-eating, sewer-dwelling mutant ninja turtle by day. See them in Teenage Mutant Ninja Turtles.
King Schultz is about as color-blind as a man of his era can be. See them in Django Unchained.
Penelope Garcia is the smartest ex-con turned FBI tech, but her fashion never fails to raise eyebrows. See them in Criminal Minds.
A childlike space cadet, Brittany Pierce has a surprisingly open-minded spirit. See them in Glee.
Evan is a sensible kid, but being sensible isn't going to help him lose his virginity. See them in Superbad.
M. Bison is a diabolical megalomaniac hell-bent on dominating the world. See them in Street Fighter.