Because you like James T. Kirk in Star Trek

Wolverine is a hot-blooded Canadian with an adamantium skeleton who's the best at what he does. See them in X-Men Series.

Peter Venkman's "research" projects are designed to get undergraduate students to sleep with him. Though it turns out he can bust ghosts. See them in Ghostbusters.

A hardboiled 1940s detective, Cole Phelps is haunted by his past in World War II. See them in L.A. Noire.

Hawkeye is most comfortable perched above the action, keeping an eye on everything and using a well-timed arrow to save the day. See them in Marvel Cinematic Universe.

Diana Prince is using a truth-telling lasso and super-strength to make Earth a little more like Paradise. See them in DC Extended Universe.

Cyclops shoots lasers out of his eyes, destroying anything in his line of sight. See them in X-Men Series.

Django was once a slave. Now that he has a taste of freedom, he understandably wants a full meal. See them in Django Unchained.

In charge of stocking the office's supply of cigarettes and liquor, Joan Holloway could run the whole company if they would let her. See them in Mad Men.

He may be one of the Four Horsemen of the Apocalypse, but War still maintains a strong sense of honor. See them in Darksiders Series.

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

A super-soldier, Master Chief might be more machine than man. And for humanity's sake, thank God. See them in Halo.

A powerful mob boss, Vito Corleone is always making offers people can't refuse. See them in The Godfather.