Because you like Helena in Orphan Black
A precocious 11-year-old, Satsuki Kusakabe is not quite as grown up as she pretends to be. See them in My Neighbor Totoro.
Kyoya Ootori is possibly the only person who could reasonably go from VP of a school club to ruling the world. See them in Ouran High School Host Club.
Mikasa Ackerman is a near-perfect soldier who won't break her stone-faced expression whether she's killing foes or protecting loved ones. See them in Attack on Titan.
Ethan Hunt's mission, should he chose to accept it, is to save the world from impossible threats. See them in Mission: Impossible.
Lelouch vi Britannia is a high school student by day, masked destroyer of tyrannical empires by night. See them in Code Geass.
Eleanor puts up a tough front, even when everyone else tries to tear her down. See them in Eleanor and Park .
Rukia Kuchiki is a cool and collected warrior who has trouble opening up to anyone. See them in Bleach.
America Singer is a feisty, fiercely independent musician who places little value on the restrictive rules of her society. See them in The Selection .
Will Herondale is an emotionally distant bad boy with a secret. See them in Clockwork Angel .
The only defense Earth has against alien invaders are giant robots in the hands of pilots like Kaworu. See them in Neon Genesis Evangelion.
An infamous vampire, Alucard is a one-man killing machine with a philosophical side. See them in Hellsing.
Quentin has his whole life mapped out. It might sound boring, but he likes boring. See them in Paper Towns.