Because you like Vaas Montenegro in Far Cry 3
Brian Griffin is the most scholarly member of the family—when he's not drunk on martinis. See them in Family Guy.
Shrek is a nasty-on-the-surface ogre with a heart of gold and an earful of wax. See them in Shrek.
Hiro is a free-spirit and remarkable genius who loves bot fighting and problem-solving. See them in Big Hero 6.
This barber doesn't cut hair. Sweeney Todd sends his clients down a chute to be baked into his partner-in-crime's pies. See them in Sweeney Todd: The Demon Barber of Fleet Street.
Light Yagami has a plan to make a better world, and morals won't stop him. See them in Death Note.
In charge of stocking the office's supply of cigarettes and liquor, Joan Holloway could run the whole company if they would let her. See them in Mad Men.
Hank McCoy is a quintessential nerdy scientist but with a few rather unconventional physical attributes. See them in X-Men Series.
Philip J. Fry accidentally cryogenically froze himself for a millennium. See them in Futurama.
Bedside manner is for chumps, not the brilliant Dr. Gregory House. See them in House M.D..
A few millennia in the mortal realm have caused DEATH to be quite enamored of life. See them in Discworld.
Norma Bates may look like a harmless housewife, but don't let that fool you. See them in Bates Motel.