Because you like Bert in Sesame Street

Cosima Niehaus loves exploring the unknown. Even her own DNA is a puzzle, waiting to be unlocked. See them in Orphan Black.

With an abundant supply of alcohol, nice restaurants, and free will, Crowley is a demon who is thoroughly enjoying his time on Earth. See them in Good Omens: The Nice and Accurate Prophecies of Agnes Nutter, Witch.

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.

Juno MacGuff is hoping sarcasm will get her through the stress of teenage life. And also, teenage pregnancy. See them in Juno.

Penelope Garcia is the smartest ex-con turned FBI tech, but her fashion never fails to raise eyebrows. See them in Criminal Minds.

Xena's a warrior on a redemptive quest who excels in extreme sports and uses a whip to block axes in mid-air. See them in Xena Warrior Princess.

Lux Lisbon's flirtatious manner attracts a lot of male attention. She relishes the power that her sexuality grants her. See them in The Virgin Suicides.

When you live your life in public, like Mima Kirigoe, it's hard to know who you really are. See them in Perfect Blue.

As a scaring Assistant, Mike Wazowski frightens children to collect their screams to be used as a power supply for the city. See them in Monsters, Inc..

Ariel knows there's a whole other world above the sea, but exploring it comes at a big price. See them in The Little Mermaid.

It doesn't matter how noble or brave he is. Jon Snow is a bastard, and people don't let him forget it. See them in Game of Thrones.

Cynicism is his armor and words are his weapons, but what Tyrion Lannister would really like is some nice wine. See them in Game of Thrones.