Because you like Evan in Superbad
This power-hungry Time Lord calls himself the "master of all." Bonus: he has 13 lives. See them in Doctor Who.
Gou Matsuoka offers to help as manager of a swim team, believing that they're the only ones who can help her brother. See them in Free! Iwatobi Swim Club.
Edward Elric has a quick mind along with a quick temper. See them in Fullmetal Alchemist.
Peppy and optimistic, Joy is totally lost when it comes to dealing with Sadness. See them in Inside Out.
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.
With a brilliant mind, an insane level of confidence, and a penchant for drunken dancing, Cristina Yang is a force to be reckoned with. See them in Grey's Anatomy.
Tarzan is walking the line between human and animal. Good thing he has excellent balance. See them in Tarzan.
When dealing with a half-demon partner and a world of violence, Kagome Higurashi has plenty of chances for her true courage to shine. See them in Inuyasha.
Cynicism is his armor and words are his weapons, but what Tyrion Lannister would really like is some nice wine. See them in Game of Thrones.
Although Morrigan knows every kind of magic there is, friendship is an untested area for her. See them in Dragon Age Series.
For Celty Sturluson, it's rather upsetting to be the only headless girl in a city filled with full-bodied humans. See them in Durarara!!.