Because you like Vizzini in The Princess Bride
After Otto Octavius' accident, he becomes fixated on finishing the reactor at any cost. See them in Marvel Cinematic Universe.
Howl puts the "tortured" in tortured artist. He just wants to be recognized for his work, but no one wants to trust a boy that sorta looks like a bird. See them in Howl's Moving Castle.
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.
A crooked cop, Harvey Bullock is the product of a not-so-just criminal justice system. See them in Gotham.
Adored, honored, and, most of all, feared, Miranda Priestly has the fashion industry in the palm of her hand. See them in The Devil Wears Prada.
Unaware of the fact that he's a toy and made of plastic, Buzz Lightyear is a spaceman on a mission fully of snappy catch phrases. See them in Toy Story.
Tamaki Suoh is always the star of the scene because he's the one making a scene. See them in Ouran High School Host Club.
Jack Bauer is a terrorist fighter who is scared of nothing and no one. The clock is ticking! See them in 24.
Mike Lane is magnetic, beefy, and street-smart, but how long can he keep up with the red-light scene? See them in Magic Mike.
An ironic hipster with a healthy dose of self-deprecation, Dave strives to be cool at all costs. See them in Homestuck.
A crabby troll, Karkat Vantas is perpetually angry about his lot in life. See them in Homestuck.
Offred wisely keeps her head down even as she hopes for more. Unfortunately, hope is dangerous in Gilead. See them in The Handmaid's Tale.