Because you like Count Olaf in Lemony Snicket's A Series of Unfortunate Events
Poison Ivy is a seductive, venomous botanist laments the fact that there are so many people to kill, yet so little time. See them in DC Extended Universe.
Nate Archibald is confident, shrewd and trying to do the right thing. But that isn't always easy on the ruthless Upper East Side. See them in Gossip Girl.
The Terminator is an emotionless killing machine who won't stop until he's changed the future. See them in The Terminator.
Pepper Potts can run a company, manage an egomaniac, and take down bad guys, all without breaking a sweat. See them in Marvel Cinematic Universe.
Blade has all the cool vampire powers with none of the weaknesses. Definitely not a guy to pick a fight with. See them in Blade.
A loyal dinosaur, Yoshi loves both saving the day and chowing down on a good meal. See them in Super Mario Bros..
Dr. Gordon Freeman is a brilliant physicist is a quiet hero. And given all the violent aliens, he better be. See them in Half-Life.
Lucille Bluth doesn't understand the question, and she won't respond to it. And you're probably better off. See them in Arrested Development.
A Vietnam vet, Travis Bickle spends his days driving his taxi and watching porn flicks. See them in Taxi Driver.
Sid Jenkins is the ultimate underachiever, but he doesn't mind. Well, he pretends he doesn't. See them in Skins.
Spencer Reid's super-smarts helps catch killers, and his social awkwardness endears co-workers. See them in Criminal Minds.