Because you like Maximus Decimus Meridius in Gladiator
Marty McFly is a skateboarder, aspiring rock star, and reluctant time-traveler. See them in Back to the Future.
Tarzan is walking the line between human and animal. Good thing he has excellent balance. See them in Tarzan.
Unaware of the fact that he's a toy and made of plastic, Buzz Lightyear is a spaceman on a mission fully of snappy catch phrases. See them in Toy Story.
Francis Freeman may be impervious to pain, but he sure knows how to inflict it. See them in Deadpool.
A debonair spy, Harry Hart is the epitome of a gentleman, even when he calmly takes down multiple men with a militarized umbrella. See them in Kingsman: The Secret Service.
Omar Little is a pretty chill guy, as long as you can forgive the stealing and killing people. See them in The Wire.
A crooked cop, Harvey Bullock is the product of a not-so-just criminal justice system. See them in Gotham.
A courageous boy robot, Mega Man is dedicated to achieving everlasting peace. See them in Mega Man.
Sylar's victims are found all over the country, many with their brains removed. See them in Heroes.
Big Boss is a disillusioned mercenary commander who wants to create a world for soldiers (and soldiers alone). See them in Metal Gear Series.
An aristocrat-turned-tomb-raider, Lara Croft does her best thinking while plunging off cliffs. See them in Lara Croft: Tomb Raider.