Because you like James T. Kirk in Star Trek
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.
Claire Underwood is scary intimidating, and she knows it. See them in House of Cards.
Optimus Prime is a shapeshifting sentient robot leading a team of robots to stop evil from taking over. See them in Transformers.
Whether he’s hacking or dodging a bullet, Neo has a poker face that never drops. And it doesn’t hurt that he’s prophesied to be "The One" to save humanity. See them in The Matrix.
Christopher Turk is bringing his A-game to his next big challenge: becoming a surgeon. See them in Scrubs.
Dante Alighieri is a crusader fighting his way to absolution. See them in Dante's Inferno.
It's time somebody has to take over. It might as well be Fish Mooney. See them in Gotham.
Liu Kang spends his days training his body and spirit, seeking to become the ultimate warrior. See them in Mortal Kombat.
Donkey Kong is a strong, banana-loving, and caring uncle to Diddy Kong. See them in Donkey Kong.
John Watson is haunted by his past (who isn't) but he's starting to branch out with some help from a world class detective. See them in Sherlock.
Aragorn is the one true king, a title he is too humble to accept. See them in The Lord of the Rings.