Because you like Bowser in Super Mario Bros.
Sheldon Cooper is brilliant in every way except, well, interacting with any human being. See them in The Big Bang Theory.
While Alan Garner is loyal to his new friends, his efforts to help them often do more harm than good. See them in The Hangover.
Stranded on Mars, Mark Watney is armed with quick wits, an electronic diary, disco music, and an undying resolve to make it back. See them in The Martian.
Fox Mulder is a devoted believer in aliens, monsters, and that the truth is out there. See them in The X-Files.
It turns out the girl of your dreams just might have dreams of her own. See them in (500) Days of Summer.
Gruff and efficient, Sam Fisher protects a nation that can never admit he exists. See them in Tom Clancy's Splinter Cell.
Nadine Franklin likes to wallow in her misery almost as much as she likes to torment her mother. See them in The Edge of Seventeen.
With a unique ability to empathize with killers, Will Graham helps society but his sanity pays the price. See them in Hannibal.
If Lisbeth Salander can hurt a bastard who deserves it by digging up stuff about him, she feels good. See them in The Girl with the Dragon Tattoo.
There's no one cooler than this intergalactic smuggler who hangs out in dens of iniquity all over the galaxy. And Han Solo knows it! See them in Star Wars Series.
Don't tell anyone Kate Austen was under arrest when the plane crashed. See them in Lost.