Because you like Arthur Dent in The Hitchhiker's Guide to the Galaxy

For Scout Finch, growing up means learning the world is a more complicated place than you once thought. See them in To Kill a Mockingbird.

A suave proprietor of an upscale nightclub and gambling den, Rick Blaine is dealing with World War II and a broken heart. See them in Casablanca.

Buttercup is a farm girl turned princess who'd do anything to have her old life back. See them in The Princess Bride.

A Haddock always has a trick up his sleeve! Tintin is lucky to have Captain Haddock as a companion to search for hidden treasure on an adventure around the world. See them in The Adventures of Tintin.

Simon Belmont is a vampire hunter bravely carrying on the family business. See them in Castlevania.

Fox McCloud leads a team of pilots through the Lylat System in search of the evil genius Andross, the villain that killed his father. See them in Star Fox.

Major Marquis Warren is a talkative, sharp-eyed, and cold-hearted Civil War soldier-turned-bounty hunter. See them in The Hateful Eight.

Riggan Thomson is a washed-up movie star running from his inner demons. Alas those inner demons look just like the superhero he used to play. See them in Birdman.

Eponine is a scrappy street urchin with a bad case of unrequited love. See them in Les Miserables.

Aragorn is the one true king, a title he is too humble to accept. See them in The Lord of the Rings.

This wizard is never late, nor is he early. Gandalf arrives precisely when he means to. See them in The Lord of the Rings.