Because you like Cory Matthews in Boy Meets World
Armin Arlert was wrong. This world hasn't become hell; it's been hell. He just couldn't see it before. See them in Attack on Titan.
Eren Jaeger will erase the Titans from this world until not a single one remains. See them in Attack on Titan.
Yukiteru is a reclusive observer who would rather watch life go by than participate in it. See them in The Future Diary.
Jin Kazama is a fearsome warrior torn between the darkness and the light. See them in Tekken .
Teddy Sanders loves his frat brothers so much he might never leave school. See them in Neighbors.
Everyone Barney Stinson knows is getting married or pregnant. But he's just getting more awesome. See them in How I Met Your Mother.
A gentle alchemist who is soul-bound to a giant suit of armor, Alphonse Elric is growing into the responsibility handed to him. See them in Fullmetal Alchemist.
An aloof punk rock goddess, Nana Osaki has a surprisingly big heart. See them in Nana.
Artemis Fowl understands the way of the world. If he wins, he's a prodigy. If he loses, then he's crazy. That is how history is written. See them in Artemis Fowl.
Closing off her emotions makes Lightning a great fighter, but at what personal cost? See them in Final Fantasy Series.
Talented but anxious, Shinji Ikari struggles to bear the challenges that life hands him. See them in Neon Genesis Evangelion.
Juliet Starling is a cheerleader by day, gleefully unhinged zombie killer by night. See them in Lollipop Chainsaw.