Because you like Usagi Tsukino in Sailor Moon

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!!.

The last war left his economy devastated, and now Germany is engaged in another war and stuck with two barely trained allies for help. See them in Axis Powers Hetalia.

Always headed towards adventure, Goku is frequently with a band of loyal companions at his side. See them in Dragon Ball.

A nurturing, selfless, and level-headed leader, Makoto Tachibana loves looking out for his friends. See them in Free! Iwatobi Swim Club.

Once a lonely hat maker, Sophie Hatter is now cleaning goo from bathtubs and cooking breakfast for the grumpiest wizard in all the land. See them in Howl's Moving Castle.

Stoic, cynical, and independent, Homura Akemi is an alluring enigma. See them in Puella Magi Madoka Magica.

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.

The main priority for Nagisa Hazuki is making sure that everyone has fun. See them in Free! Iwatobi Swim Club.

Growing up isn't easy: Chihiro's parents turned into pigs, she's enslaved at a bathhouse for demons, and oh yeah, she's fading from existence. See them in Spirited Away.

Winry Rockbell is an energetic tomboy mechanic with an empathetic streak. See them in Fullmetal Alchemist.

Few high school students could be less concerned with labels. See them in Ouran High School Host Club.

For the sake of science, Kurisu Makise will persevere no matter how deep into the dark secrets of the world she finds herself. See them in Steins;Gate.