Because you like Jake Sully in Avatar

Wanderer is a Soul, a parasite sent into a host to take over their body, extracting information from them and colonizing their species. See them in The Host.

Marty McFly is a skateboarder, aspiring rock star, and reluctant time-traveler. See them in Back to the Future.

Sheldon Cooper is brilliant in every way except, well, interacting with any human being. See them in The Big Bang Theory.

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.

Jonathan Byers is a kindhearted outcast who tends to be in the wrong place at the wrong time. See them in Stranger Things.

A hurricane of a human being, Marla Singer is destructive and unforgettable. See them in Fight Club.

Although Thomas Sharpe is an English baronet, he doesn't have a Shilling to his name. He's in America to sell his invention and marry rich. See them in Crimson Peak.

Yukiteru is a reclusive observer who would rather watch life go by than participate in it. See them in The Future Diary.

Phoenix Wright is an easygoing defense attorney who is rarely defensive. See them in Ace Attorney Series .

A fun-loving jokester, Alistair isn't ready for the responsibilities he faces. See them in Dragon Age Series.