Because you like Eliot Waugh in The Magicians
Chanel Oberlin is a big fan of herself, and she can't see why anyone else wouldn't be too. See them in Scream Queens.
Sylar's victims are found all over the country, many with their brains removed. See them in Heroes.
Spyro the Dragon loves getting into trouble around the Dragon Realms. See them in Spyro the Dragon.
James Gordon happens to be the one guy in Gotham City with proper morals who doesn't also run around in a cape. See them in DC Extended Universe.
A Hollywood starlet with a vindictive streak, Madison Montgomery is one witch that you shouldn't cross. See them in American Horror Story.
Claire Standish is a popular, perfect princess who's deeper than she seems. See them in The Breakfast Club.
A suave demon, Crowley grants humans their wishes in exchange for their soul, only to find loopholes that benefit him. See them in Supernatural.
Leslie Burke is bold, courageous, and imaginative enough to create a world from scratch. See them in Bridge to Terabithia.
Those who stand against this singular super ninja are doomed to fail. See them in Ninja Gaiden.
April Kepner is an excellent surgeon, but outside of the operating room, she's more anxious than most. See them in Grey's Anatomy.
Erlich Bachman is an overconfident wannabe mentor blowing all types of smoke around the tech industry. See them in Silicon Valley.