Because you like Penelope Garcia in Criminal Minds
After being resurrected and discovering his new morphing abilities, Alex Mercer uses them to combat the virus now ravaging New York. See them in Prototype Series.
Although Borat has a curious mind, he has no filter, and some very out of date views on just about everything. See them in Borat: Cultural Learnings of America for Make Benefit Glorious Nation of Kazakhstan.
Shana is a red-haired warrior with a black-and-white worldview. See them in Shakugan no Shana.
After several hundred years of shutting himself out from the rest of the world, Japan's not used to dealing with nations, See them in Axis Powers Hetalia.
The only defense Earth has against alien invaders are giant robots in the hands of pilots like Kaworu. See them in Neon Genesis Evangelion.
Kenzo Tenma would have never guessed that ten-year-old he saved would later become a deadly serial killer intent on "thanking" him. See them in Monster (TV Show).
Everyone Barney Stinson knows is getting married or pregnant. But he's just getting more awesome. See them in How I Met Your Mother.
Father to a murdered son and husband to a murdered wife, Maximus Decimus Meridius will have his vengeance. See them in Gladiator.
Raiden is an efficient soldier haunted by his repressed past. See them in Metal Gear Series.
Yukiteru is a reclusive observer who would rather watch life go by than participate in it. See them in The Future Diary.
Closing off her emotions makes Lightning a great fighter, but at what personal cost? See them in Final Fantasy Series.