Because you like Kyle Reese in The Terminator
Is there more to life than being really, really, ridiculously good looking? Derek Zoolander thinks not. See them in Zoolander.
Alison DiLaurentis believes you're always better off with a really good lie. See them in Pretty Little Liars.
Sid Jenkins is the ultimate underachiever, but he doesn't mind. Well, he pretends he doesn't. See them in Skins.
Elena Gilbert is the quintessential girl-next-door who gets involved with the new "boy" at school. See them in The Vampire Diaries.
Leslie Knope can accomplish anything, literally anything, with a little grit and help from her office. See them in Parks and Recreation.
When the Sorting Hat touched Draco Malfoy's head, it placed him in Slytherin, a house that has turned out more dark wizards than any other. See them in Harry Potter Series.
Bart Simpson is an aspiring juvenile delinquent who doesn't want you to have a cow, man! See them in The Simpsons.
Poison Ivy is a seductive, venomous botanist laments the fact that there are so many people to kill, yet so little time. See them in DC Extended Universe.
His murderous megalomania aside, Loki is quite charming. Just don't mention his strapping older brother; he's a tad jealous. See them in Marvel Cinematic Universe.
Just a hint of human emotion lurks under the enigmatic exterior of Rei Ayanami. See them in Neon Genesis Evangelion.