Because you like Ultron in Marvel Cinematic Universe
Tom Hansen is a full-fledged romantic impatiently waiting for his love story. See them in (500) Days of Summer.
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.
Veronica Lodge is a sophisticated girl who always, no matter what, absolutely gets what she wants. See them in Archie Comics.
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.
While his twin tries to save lives, Millions Knives does the best to end them. See them in Trigun.
Remy Hadley is a closed book—a cynical, super-smart closed book. See them in House M.D..
A daring hacker, Trinity is one of the few rebels who escaped the Matrix, a simulation in which most of humanity is enslaved. See them in The Matrix.
A great galactic bounty hunter, Samus Aran is not as good at expressing emotions. See them in Metroid.
Detective Alec Hardy doesn't let anyone get too close to him. See them in Broadchurch.
Don't let Princess Peach's sweet, gentle nature fool you. Princess Peach can put up a good fight. See them in Super Mario Bros..
Poison Ivy is a seductive, venomous botanist laments the fact that there are so many people to kill, yet so little time. See them in DC Extended Universe.