Because you like Rupert Giles in Buffy the Vampire Slayer
All it takes to change the course of history is the will of a single man called John Price. See them in Call of Duty Series.
Seth is short-tempered, crude, and terrible at school, but hopefully there's nothing an epic party can't fix. See them in Superbad.
Yukiteru is a reclusive observer who would rather watch life go by than participate in it. See them in The Future Diary.
Teddy Sanders loves his frat brothers so much he might never leave school. See them in Neighbors.
Other people's opinions have never mattered much to Haruka Nanase, and they aren't going to start to do so now. See them in Free! Iwatobi Swim Club.