Because you like Tatsuhiro Sato in Welcome to the NHK
Oscar Jarjayes is a sword-swinging, fearless Commander of the Royal Guard who cross-dresses as a man. See them in Rose of Versailles.
A laid-back wanderer, Ginko has an empathetic, open-minded worldview. See them in Mushishi.
Undercover as an average high school student, Kallen Stadtfeld is actually most at ease when the action's fast, furious, and dangerous. See them in Code Geass.
Suzaku Kururugi defeats enemies with his flashy but deadly jump kicks. But he's willing to sacrifice himself for peace. See them in Code Geass.
Given his ability to wrench street signs from the ground, Shizuo Heiwajima is a useful one to have in dangerous Ikekuburo. See them in Durarara!!.
If there's power in being average, Mikado Ryugamine will find it and use it. See them in Durarara!!.
Shana is a red-haired warrior with a black-and-white worldview. See them in Shakugan no Shana.
Member of the student council, captain of the fencing team, and part-time model, Juri Arisugawa is idolized by everyone around her. See them in Revolutionary Girl Utena.
An alien, a time-traveler, and an esper are following Haruhi Suzumiya, who – unknown to herself – is a near-omnipotent reality warper. See them in The Melancholy of Haruhi Suzumiya.
When it comes to Haruko Haruhara, there's more to the pink-haired biker than meets the eye. See them in FLCL.
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.
The "runt" of his biker gang, Tetsuo Shima grapples with a perpetual inferiority complex. See them in Akira.