Because you like Thomas Barrow in Downton Abbey

There's never a dull moment when this mischievous high-schooler gets up to his hijinks. Save Ferris! See them in Ferris Bueller's Day Off.

A precocious 11-year-old, Satsuki Kusakabe is not quite as grown up as she pretends to be. See them in My Neighbor Totoro.

Aimee Finecky has big dreams, but she's too busy taking care of everyone else's desires. See them in The Spectacular Now.

People think that because Tris is small, or a girl, or a Stiff, she can't possibly be cruel. But they're wrong. See them in Divergent.

When the going gets tough, Rick Grimes gets tougher. It's a very useful trait when the world goes to hell. See them in The Walking Dead.

The only thing standing between Rocky Balboa and glory is the person facing him in the boxing ring. See them in Rocky Series.

The Warden of the camp says that digging holes in the desert builds character, but Stanley Yelnats suspects there's more to it. See them in Holes.

Regina George is teen royalty. And anything the queen bee says, goes. See them in Mean Girls.

Alison DiLaurentis believes you're always better off with a really good lie. See them in Pretty Little Liars.

Cassie Sullivan is resilient and resourceful, but she's not quite as brave as she pretends to be. See them in The 5th Wave.

Clank is the quintessential rational, intelligent robot sidekick. See them in Ratchet & Clank.

An underdog with nothing left to lose, Donnie Creed has everything to prove. See them in Creed.