Because you like Father Mulcahy in M*A*S*H
Brian Griffin is the most scholarly member of the family—when he's not drunk on martinis. See them in Family Guy.
After surviving a CIA mission that was supposed to kill him, ex-military man John Reese bets it all on a chance to redeem himself. See them in Person of Interest.
Keren Walker is a socialite looking to avoid work, keep a constant buzz, and be as snarky as possible. See them in Will & Grace.
Lyra Belacqua is prone to getting in trouble, but she's also clever enough to get out of it. Most of the time. See them in The Golden Compass.
Bucky Barnes used to be a good-hearted American soldier. Now he's the cold-hearted Winter Soldier. See them in Marvel Cinematic Universe.
Haymitch Abernathy is a trainer for the tributes of District 12, although he's never sober enough to give much advice. See them in The Hunger Games .
Don't ask the ruthless queen of the Tokyo underworld any questions unless you're fine with losing a limb. See them in Kill Bill vol. 1.
Aslan represents everything good and just, he's just not super reliable. See them in The Chronicles of Narnia.
People make more sense to the hyper-logical Temperance Brennan after they're dead. See them in Bones.
A bumbling hobbit, Bilbo Baggins is becoming a part of something much larger than himself as he embarks on a quest. See them in The Hobbit: An Unexpected Journey.
Harry Mason has been told that he worries too much, that he's a little paranoid. But he just wants to protect what he loves. See them in Silent Hill.