Because you like Benji Applebaum in Pitch Perfect
Don't worry about this forensic scientist offing you unless you're a serial killer yourself. (You're not, right? Just checking.) See them in Dexter.
Severus Snape is a misanthropic potions teacher with a vindictive streak. See them in Harry Potter Series.
Ben Barber is ready to show you that he's twice the man you think he is. See them in Ride Along.
Sebastien Michaelis is a demonic butler who approaches life with effortless finesse and a diabolical streak. See them in Black Butler.
Aldous Snow is a rock star who plays hard and parties harder. See them in Get Him to the Greek.
His elfin self-confidence can border on pretension, but Legolas Greenleaf is a fearsome fighter and a loyal friend. See them in The Lord of the Rings.
A natural leader, Clarke Griffin dispenses both justice and mercy, and she does it all while being selflessly humble. See them in The 100.
Stewie Griffin is just your average evil-genius, talking, sociopathic baby. See them in Family Guy.
Ilana Wexler is rarely found without a joint. When she's not absolutely blazed, she is a below average employee and an incredible best friend. See them in Broad City.
The only defense Earth has against alien invaders are giant robots in the hands of pilots like Kaworu. See them in Neon Genesis Evangelion.
Ciel Phantomhive is a haughty teenage nobleman who doesn't suffer fools gladly. See them in Black Butler.