Because you like Biff Tannen in Back to the Future

Whether she's working as a mild-mannered assistant or an all-powerful superhero, Kara Danvers is defined above all by her huge heart. See them in Supergirl.

Po is a clumsy, friendly panda who likes to take it easy. But now he's expected to save the world? See them in Kung Fu Panda.

An outgoing and quirky optimist, Louisa Clark has a zest for life. See them in Me Before You.

We defy you to find a man who's ever been cooler while simply saying his own name. See them in Casino Royale.

The Terminator is an emotionless killing machine who won't stop until he's changed the future. See them in The Terminator.

Carl Fredricksen is a crotchety old man who may just have it in him to take one last, great adventure. See them in Up.

Phil Coulson is a deadly field agent with the demeanor of a friendly dad. See them in Marvel Cinematic Universe.

Orphan Bruce Wayne has a tortured soul, but he's trying his best to weed out corruption. See them in DC Extended Universe.

Her unhappy childhood has left her unsure of the existence of happy endings. Mary Jane Watson hides her pain beneath a joke and a smile. See them in Marvel Cinematic Universe.

If you died and came back to life, and then died more times and came back, you might stop battling evil mutants. Not Jean Grey. See them in X-Men Series.

Tarzan is walking the line between human and animal. Good thing he has excellent balance. See them in Tarzan.

Melinda May is a woman of few words and many talents. Most of them martial. See them in Marvel Cinematic Universe.