Because you like Egon Spengler in Ghostbusters

Once described as a "beautiful, tropical fish," Ann Perkins exudes warmth, and unlike most of her friends she also has common sense. See them in Parks and Recreation.

Emma Frost's superpower: transforming her body into an unbreakable diamond. See them in X-Men Series.

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.

Soos Ramirez is a loving doofus man-child. See them in Gravity Falls.

Mrs. Lovett is the proud purveyor of the worst, and most grisly, pies in London. See them in Sweeney Todd: The Demon Barber of Fleet Street.

Mr. Pink doesn't tip. Enough said. See them in Reservoir Dogs.

Leslie Burke is bold, courageous, and imaginative enough to create a world from scratch. See them in Bridge to Terabithia.

The witty Aku would be an ideal dinner guest, if he weren't a demon. See them in Samurai Jack.

Carolos has perfect hair, a lab coat, and a constant readiness to do science. See them in Welcome to Night Vale.

White Witch's heart is as frozen as the land she rules. See them in The Chronicles of Narnia.

Miss Peregrine exists to protect her wards, whether they like it or not. See them in Miss Peregrine's Home for Peculiar Children .

Turanga Leela is the daughter of two mutants who live in the sewers below New York City. See them in Futurama.