Because you like Phoebe Halliwell in Charmed

Joey Tribbiani's true passions in life are acting, sandwiches, football, sex, and asking ladies, "how you doing?" See them in Friends.

When the going gets tough, Rick Grimes gets tougher. It's a very useful trait when the world goes to hell. See them in The Walking Dead.

Kyoya Ootori is possibly the only person who could reasonably go from VP of a school club to ruling the world. See them in Ouran High School Host Club.

GLaDOS will supply the food when you get together: a delicious cake. Of course, it could just be a trap so she can kill you. It’s hard to say. See them in Portal Series.

A crabby troll, Karkat Vantas is perpetually angry about his lot in life. See them in Homestuck.

Big Boss is a disillusioned mercenary commander who wants to create a world for soldiers (and soldiers alone). See them in Metal Gear Series.

An underdog with nothing left to lose, Donnie Creed has everything to prove. See them in Creed.

A laid-back stoner, Ben Stone wasn't planning on life's ultimate responsibility. See them in Knocked Up.

Severus Snape is a misanthropic potions teacher with a vindictive streak. See them in Harry Potter Series.

Light Yagami has a plan to make a better world, and morals won't stop him. See them in Death Note.

L is enigmatic, child-like, and one of the smartest people in the world. See them in Death Note.

Whether he’s hacking or dodging a bullet, Neo has a poker face that never drops. And it doesn’t hurt that he’s prophesied to be "The One" to save humanity. See them in The Matrix.