Because you like Ford Prefect in The Hitchhiker's Guide to the Galaxy

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

Vivian Ward is a no-nonsense working girl with fairy-tale dreams. See them in Pretty Woman.

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

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.

A responsible kid, Hugo Cabret is still capable of flights of fancy. See them in Hugo.

Steve Rogers is a good soldier. But above all, he's a good man. See them in Marvel Cinematic Universe.

An ambitious man of science, Norman Osborn has become green with envy over Spider-Man's powers. See them in Marvel Cinematic Universe.

Where Ash comes from, food and shelter pay for themselves. Even as a penniless vagrant, he is able to pursue his dream of becoming a Pokémon Master See them in Pokemon.

A resourceful ship systems engineer, Isaac Clarke does his best to batttle the infection spreading across space. See them in Dead Space.

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.

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.