Because you like Dolores Umbridge in Harry Potter Series

Marlin navigates through shark-infested waters, angry anglerfish, a jellyfish bloom and hungry whales to search for his son. See them in Finding Nemo.

A suave demon, Crowley grants humans their wishes in exchange for their soul, only to find loopholes that benefit him. See them in Supernatural.

Everything is fascinating to Octavia Blake who has been locked away for her entire life. See them in The 100.

Lying is the most fun a girl like Alice can have without taking her clothes off. See them in Closer.

In a rag-tag group of kids determined to take down the imperialistic Fire Lord, Katara is the glue that holds them together. See them in Avatar: The Last Airbender.

Wendy Corduroy is the ultimate in cool in Gravity Falls. See them in Gravity Falls.

Dallas Winston is headed down a dangerous, criminal road. See them in The Outsiders.

Dante Alighieri is a crusader fighting his way to absolution. See them in Dante's Inferno.

A bumbling hobbit, Bilbo Baggins is becoming a part of something much larger than himself as he embarks on a quest. See them in The Hobbit: An Unexpected Journey.

Riggan Thomson is a washed-up movie star running from his inner demons. Alas those inner demons look just like the superhero he used to play. See them in Birdman.

After having his mind altered after a bad breakup, Joel Barish is not convinced that ignorance is bliss. See them in Eternal Sunshine of the Spotless Mind.

Lily Aldrin is a flaky but supportive kindergarten teacher and painter. See them in How I Met Your Mother.