Because you like Mikael Blomkvist in The Girl with the Dragon Tattoo

Dolores Umbridge keeps her villainy hidden (albeit poorly) behind a sheen of sugary pink politeness. See them in Harry Potter Series.

Remy Hadley is a closed book—a cynical, super-smart closed book. See them in House M.D..

Gilderoy Lockhart's biggest idol is himself. See them in Harry Potter Series.

Rayon is kinder to the world than the world is to her. See them in Dallas Buyers Club.

Jane Smith is a stone-cold killer, but you would never know it from looking at her. See them in Mr. & Mrs. Smith.

Benoit Blanc is Sherlock with Southern charm, and a mysterious benefactor. See them in Knives Out.

Merciless and manipulative, Queen Ravenna is determined to become the fairest of them all. See them in Snow White and the Huntsman.

David Rose likes his rose chilled, his linens pressed, and his family quiet. See them in Schitt's Creek.

Cyclops shoots lasers out of his eyes, destroying anything in his line of sight. See them in X-Men Series.

A devoted butler, Alfred Pennyworth is both a fiercely protective guardian and a lethal gunman. See them in Gotham.

Both a noble district attorney and a psychopathic villain, Harvey Dent proves some men really can have it all. See them in DC Extended Universe.

When Andrew Neiman is not in classes during the day, he's rehearsing his drums until his hands bleed at night. See them in Whiplash.