Because you like Leonard Hofstadter in The Big Bang Theory

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.

Susie Salmon has a big heart, even though it's not beating anymore. See them in The Lovely Bones.

China has five thousand years of history, and he's optimistic he'll win over the Allied Powers to the wisdom of his ways. See them in Axis Powers Hetalia.

Sydney Novak claims she’s “not special,” but her self-reportedly average life changes quickly once she begins to develop powers she can’t control. See them in I Am Not Okay With This.

A dreamy space cadet, Luna Lovegood has never met a conspiracy theory she didn't believe in. See them in Harry Potter Series.

Wolverine is a hot-blooded Canadian with an adamantium skeleton who's the best at what he does. See them in X-Men Series.

Daisy Buchanan is beautiful and rich, and seems to have it all. But beneath the glitter and the glam, things are more complicated for her. See them in The Great Gatsby.

Leonidas is not the kind of king who merely gives orders; rather, he's out on the battlefield fighting alongside his men. See them in 300.

Severus Snape is a misanthropic potions teacher with a vindictive streak. See them in Harry Potter Series.

WALL-E is a quirky little romantic robot cleaning the wasteland known as Earth. See them in WALL-E.

This power-hungry Time Lord calls himself the "master of all." Bonus: he has 13 lives. See them in Doctor Who.