Because you like Butthead in Beavis and Butthead
An inter-dimensional demon, Bill Cipher dreams of a more chaotic Gravity Falls. See them in Gravity Falls.
Usagi Tsukino may look like a lazy teen, but when Usagi conjures up her alter ego and calls her Sailor Scout team, no villain stands a chance. See them in Sailor Moon.
A Washington DC fixer, Olivia Pope can make roadblocks disappear with a single phone call. "It's handled" is her life motto. See them in Scandal.
Arwen has to choose between a life of loneliness or love and inevitible death, both rather unfortunate options. See them in The Lord of the Rings.
Clank is the quintessential rational, intelligent robot sidekick. See them in Ratchet & Clank.
Aimee Finecky has big dreams, but she's too busy taking care of everyone else's desires. See them in The Spectacular Now.
Holden Caulfield is convinced that the whole adult world is full of phonies. See them in The Catcher in the Rye.
Academics weren't his strong suit. Luckily, Jesse Pinkman's street smarts are a cut above the rest. See them in Breaking Bad.
Brilliant, violent, and only a little insane, the Joker doesn't listen to anyone except the voices in his head. See them in DC Extended Universe.
Armed guards, FBI agents, notorious serial killers – Hannibal Lecter has bested them all, with time to finish dessert afterwards. See them in The Silence of the Lambs.
A crabby troll, Karkat Vantas is perpetually angry about his lot in life. See them in Homestuck.