Because you like Clark Kent in Smallville
April Kepner is an excellent surgeon, but outside of the operating room, she's more anxious than most. See them in Grey's Anatomy.
Despite Norman Bates' typically kind and shy personality, he is also prone to occasional violent outbursts. See them in Bates Motel.
Alex Danvers is a brilliant engineer tasked with alien threats, and one of those aliens is her adopted sister Supergirl. See them in Supergirl.
Jorah Mormont is loyal to his queen. And he's quite in love with her as well. See them in Game of Thrones.
Olive Hoover is an irrepressible child beauty queen (or would-be queen) who doesn't play by your rules. See them in Little Miss Sunshine.
A stylish agent, Agent J would rather improvise than play by the rules. See them in Men in Black.
Sam Montgomery works hard, but her evil stepmother makes sure her efforts don't pay off. See them in A Cinderella Story.
Christian is a romantic who for some reason won't stop singing everything he feels. See them in Moulin Rouge.
Milo Thatch is an enthusiastic researcher without cynicism. See them in Atlantis: The Lost Empire.
Andy Bernard is a preppy Cornell grad who's very likely to break into an acapella performance. See them in The Office.
Carol Aird is driven to fight to make her life better, regardless the consequences. See them in Carol.