Because you like Crowley in Good Omens: The Nice and Accurate Prophecies of Agnes Nutter, Witch
Khan Noonien Singh is super strong, super smart, and out for revenge. He always seems to be two steps ahead of his enemies. See them in Star Trek Into Darkness.
Simon Spier has long known that he's gay, but he doesn't know how to open up about that – even to his closest friends See them in Love, Simon.
The witty Aku would be an ideal dinner guest, if he weren't a demon. See them in Samurai Jack.
Quicksilver is a cocky speedster who could run around the world in the time it's taking you to read this. See them in Marvel Cinematic Universe.
Dewey Finn will rock you. He feels rock and roll in his blood and guts. See them in School of Rock.
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.
White Witch's heart is as frozen as the land she rules. See them in The Chronicles of Narnia.
Claire Temple is a dedicated nurse providing secret care to New York's vigilantes. See them in Marvel Cinematic Universe.
Madman, murderer, or musician? No one knows the Phantom behind the mask. See them in The Phantom of the Opera.
An inter-dimensional demon, Bill Cipher dreams of a more chaotic Gravity Falls. See them in Gravity Falls.
Matilda Wormwood is so smart, she taught herself how to be psychic. See them in Matilda.
Turanga Leela is the daughter of two mutants who live in the sewers below New York City. See them in Futurama.