Because you like James T. Kirk in Star Trek
This android may not have emotions, but Lt. Commander Data's curiosity about humanity is endless. See them in Star Trek: The Next Generation.
Arthur Dent is an incredibly normal man on an incredibly abnormal adventure. See them in The Hitchhiker's Guide to the Galaxy.
This suave con-man doesn't just want to become rich. Danny Ocean wants to rip off the guy who stole his wife in the biggest Vegas con. See them in Ocean's Eleven.
Jason Bourne is suffering amnesia, but considering what he's done as a CIA assassin, maybe that's for the best. See them in The Bourne Identity.
John Locke is an eerily calm, confident believer in the magic of the island that gave him his legs back. See them in Lost.
Stranded on Mars, Mark Watney is armed with quick wits, an electronic diary, disco music, and an undying resolve to make it back. See them in The Martian.
The irrepressible Lucy Ricardo has never met a challenge she couldn't scheme her way into or out of. See them in I Love Lucy.
Rhodes has to trust his conscience to guide him through a political struggle that could change the very shape of modern warfare. See them in Marvel Cinematic Universe.
A rugged frontiersman and consummate survivor, Hugh Glass has a relationship with the natural world that is downright spiritual. See them in The Revenant.
Indiana Jones is a swashbuckling archeologist who hates snakes, Nazis, and priceless artifacts falling into the wrong hands. See them in Raiders of the Lost Ark.
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.