Because you like Rarity in My Little Pony

Blade has all the cool vampire powers with none of the weaknesses. Definitely not a guy to pick a fight with. See them in Blade.

Big Boss is a disillusioned mercenary commander who wants to create a world for soldiers (and soldiers alone). See them in Metal Gear Series.

A charismatic and misunderstood FBI agent, Dale Cooper relies on dreams and premonitions to solve cases. See them in Twin Peaks.

Frodo might have carried the ring, but Samwise Gamgee carried the ring bearer. See them in The Lord of the Rings.

M. Bison is a diabolical megalomaniac hell-bent on dominating the world. See them in Street Fighter.

Just call Jeff Lebowski The Dude. Or His Dudeness, Duder, or El Duderino if you're not into that whole brevity thing. See them in The Big Lebowski.

A ruthless militant, Raza will do anything to take down Tony Stark. See them in Marvel Cinematic Universe.

Xena's a warrior on a redemptive quest who excels in extreme sports and uses a whip to block axes in mid-air. See them in Xena Warrior Princess.

A reformed former outlaw, John Marston doesn't want any trouble, yet somehow trouble always seems to find him. See them in Red Dead Redemption.

The Terminator is an emotionless killing machine who won't stop until he's changed the future. See them in The Terminator.

A fight every now and then makes Dante's life a little more interesting. See them in Devil May Cry.