Because you like Edmund Bertram in Mansfield Park
Suzy Bishop is only 12, but her withering stare and withdrawn personality are enough to make anyone wilt. See them in Moonrise Kingdom.
C is for cookie, and that's more than good enough for him. See them in Sesame Street.
After surviving a CIA mission that was supposed to kill him, ex-military man John Reese bets it all on a chance to redeem himself. See them in Person of Interest.
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.
Anger is a cantankerous hothead whose job is to get others riled up. See them in Inside Out.
Rory Williams is a caring companion whose specialty is looking after others. See them in Doctor Who.
Topanga Lawrence has been a put-together intellectual since basically the moment she could talk. See them in Boy Meets World.
The vampire that killed Zero Kiryu's family also infected him, and he starts to crave blood, much to his horror. See them in Vampire Knight.
R2-D2 has been in the galaxy saving business for decades. Not bad for somebody whose vocabulary is limited to "beep-boop." See them in Star Wars Series.
Fox McCloud leads a team of pilots through the Lylat System in search of the evil genius Andross, the villain that killed his father. See them in Star Fox.
Introspective Theodore Twombly would rather observe life than participate in it. See them in Her.