Because you like Ice King in Adventure Time

Casey Gardner is an angsty teenage girl with quite a bit of sass that keeps getting her in trouble. See them in Atypical.

Though he has a brilliant mind for mathematics, Christopher has a much harder time processing the rest of the world. See them in The Curious Incident of the Dog in the Night-Time.

After figuring out how both the light and dark halves of his soul could co-exist, Jak is maturing into a real hero. See them in Jak and Daxter.

Free-spirited Annie Hall goes through life saying "La-di-da, la-di-da, la la." See them in Annie Hall.

After alien Haruko rides in on her Vespa, giant robots spouting from Naota Nandaba's forehead soon become the least of his worries. See them in FLCL.

Bran Stark discovered a scandelous family secret. He swore to keep quiet but soon found himself on the receiving end of attempted murder. See them in Game of Thrones.

A vain and arrogant womanizer, Roy Mustang has hidden depths. See them in Fullmetal Alchemist.

All the world's a stage, and Missy Piggy's never one to give up the spotlight. See them in The Muppet Movie.

While Alan Garner is loyal to his new friends, his efforts to help them often do more harm than good. See them in The Hangover.

If Lisbeth Salander can hurt a bastard who deserves it by digging up stuff about him, she feels good. See them in The Girl with the Dragon Tattoo.

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.

As the unit chief of the FBI's Behavioral Analysis Unit, Aaron Hotchner is dead serious about avenging dead people. See them in Criminal Minds.