Because you like Tetsuo Shima in Akira
Shana is a red-haired warrior with a black-and-white worldview. See them in Shakugan no Shana.
Simon Belmont is a vampire hunter bravely carrying on the family business. See them in Castlevania.
We're all puppets. Dr. Manhattan is just a puppet who can see the strings. See them in Watchmen.
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!!.
Nozomu's name translates to despair, which is fitting for him. See them in Sayonara, Zetsubo Sensei.
Spike Spiegel is a bounty-hunter with a laidback style and lightning-quick moves. See them in Cowboy Bebop.
Yuri is living in the afterlife, which takes the form of a high school where no one dies. But if you follow the school's rules and live a "normal" life you vanish. See them in Angel Beats!.
Empathetic Nausicaa embraces all forms of life, even those that might scare other people. See them in Nausicaa of the Valley of the Wind.
A good-natured and academically minded superhero, Dan Dreiberg can still get his hands dirty in a fight. See them in Watchmen.
Jin Kazama is a fearsome warrior torn between the darkness and the light. See them in Tekken .
Big Boss is a disillusioned mercenary commander who wants to create a world for soldiers (and soldiers alone). See them in Metal Gear Series.