Because you like Phoebe Halliwell in Charmed
The only defense Earth has against alien invaders are giant robots in the hands of pilots like Kaworu. See them in Neon Genesis Evangelion.
For somebody who won't answer questions, the enigmatic C.C. sure asks a lot of them. See them in Code Geass.
Loyal to his family and associates and distrustful of anyone else, Tony Soprano is a good guy to have on your side. See them in The Sopranos.
James T. Kirk is more than ready to face the final frontier. See them in Star Trek.
While Jay Gatsby doesn't necessarily like to attend his parties, he knows how to throw a world-class bash. See them in The Great Gatsby.
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.
Usagi Tsukino may look like a lazy teen, but when Usagi conjures up her alter ego and calls her Sailor Scout team, no villain stands a chance. See them in Sailor Moon.
Dimitri Belikov is a stoic vampire guardian who has the reserve, focus, and discipline of a soldier. See them in Vampire Academy .
Sid Jenkins is the ultimate underachiever, but he doesn't mind. Well, he pretends he doesn't. See them in Skins.
Rory Gilmore usually can be found with her nose in a book and coffee in hand, talking with her mom as quickly as the words can spill out. See them in Gilmore Girls.
Betty Cooper seems like a sweet girl, but she also has a dark side and can go beyond what's safe or sane. See them in Archie Comics.
Fox Mulder is a devoted believer in aliens, monsters, and that the truth is out there. See them in The X-Files.