Because you like George O'Malley in Grey's Anatomy
While his twin tries to save lives, Millions Knives does the best to end them. See them in Trigun.
John Bender's interests include marijuana, fighting, and breaking the rules. See them in The Breakfast Club.
V is a violent anarchist with literally nothing left to lose. But, he might have a point. See them in V for Vendetta.
A secret smoker, Margot Tenenbaum has plenty more secrets where that came from. See them in The Royal Tenenbaums.
Liu Kang spends his days training his body and spirit, seeking to become the ultimate warrior. See them in Mortal Kombat.
John Yossarian is trapped in irony as he must be insane to leave the war but if he does try to leave, he'll be deemed sane and will be forced to stay, See them in Catch-22.
Greenpeace? No, this brave eco-terrorist is waging Greenwar. See them in Final Fantasy Series.
John Watson is haunted by his past (who isn't) but he's starting to branch out with some help from a world class detective. See them in Sherlock.
Shrek is a nasty-on-the-surface ogre with a heart of gold and an earful of wax. See them in Shrek.
If you need her, Lisa Simpson will be in her room with her saxophone and a good book. See them in The Simpsons.
For Dana Scully, sometimes looking for extreme possibilities makes you blind to the probable explanation right in front of you. See them in The X-Files.