Because you like Vizzini in The Princess Bride
Nick Miller might not have a bank account, but he defintely has a lot of love to give. See them in New Girl.
Sid Jenkins is the ultimate underachiever, but he doesn't mind. Well, he pretends he doesn't. See them in Skins.
Call her. Beep her. If anyone's in trouble, Kim Possible is there. See them in Kim Possible.
Jim Stark is a teen torn apart by what the world asks of him. See them in Rebel Without A Cause.
Carol Aird is driven to fight to make her life better, regardless the consequences. See them in Carol.
Anakin Skywalker is said to be the chosen one, who will destroy the evil Sith. But he struggles with Jedi ideals as he grows in power. See them in Star Wars Series.
A precocious 11-year-old, Satsuki Kusakabe is not quite as grown up as she pretends to be. See them in My Neighbor Totoro.
T'Challa is a regal superhero with the weight of the world (and particularly his nation) on his shoulders. See them in Marvel Cinematic Universe.
Suzy Bishop is only 12, but her withering stare and withdrawn personality are enough to make anyone wilt. See them in Moonrise Kingdom.
Serena van der Woodsen is a wild child. Too wild, her friends and family might argue. See them in Gossip Girl.