Because you like Mr. Garrison in South Park
A suave manipulator, Sebastian Valmont is valiantly fighting off a developing conscience. See them in Cruel Intentions.
A loyal assistant to Nelson and Murdock, Karen Page has a way of finding trouble. See them in Marvel Cinematic Universe.
Tail's smarts and helpful nature come in handy in a pinch. See them in Sonic the Hedgehog.
Samantha Jones is a try-sexual who'll try anything once. See them in Sex and the City.
Wheatley's got an endless supply of bad ideas that he wants to share. See them in Portal Series.
Evan is a sensible kid, but being sensible isn't going to help him lose his virginity. See them in Superbad.
Iris West is a barista and blogger determined to expose a secret. See them in DC Extended Universe.
Extremely violent and loyal, Sandor Clegane is called the Hound for a reason. See them in Game of Thrones.
Javert is an inspector with a single-minded focus: to bring criminals to justice. See them in Les Miserables.
Linda Belcher doesn't prescribe to what society deems as "normal." She narrates her life through song, much to the alarm of everyone nearby. See them in Bob's Burgers.
Jessica Rabbit isn't bad. She's just drawn that way. See them in Who Framed Roger Rabbit.
Cyclops shoots lasers out of his eyes, destroying anything in his line of sight. See them in X-Men Series.