Because you like Yugi Moto in Yu-Gi-Oh!
He's a dedicated cop and a nice guy. But James Gordon is learning that Gotham is not a city for nice guys. See them in Gotham.
Told her son will one day save the world, Sarah Connor dedicates her life to training him to do just that. See them in The Terminator.
Everyone is just a chess piece, and Izaya Orihara is a master player. See them in Durarara!!.
Marv is a brutish but principled thug who'd be right at home on an ancient battlefield. See them in Sin City.
If you died and came back to life, and then died more times and came back, you might stop battling evil mutants. Not Jean Grey. See them in X-Men Series.
A believer in the pursuit of justice, Garrus Vakarian hates it when bad guys slip through the cracks of the bureaucratic justice system. See them in Mass Effect.
An aristocrat-turned-tomb-raider, Lara Croft does her best thinking while plunging off cliffs. See them in Lara Croft: Tomb Raider.
Her unhappy childhood has left her unsure of the existence of happy endings. Mary Jane Watson hides her pain beneath a joke and a smile. See them in Marvel Cinematic Universe.
Whether it's punching a meteor or saving a teen from jumping, Superman tries to be in as many places as Kryptonianly possible. See them in DC Extended Universe.
The vampire that killed Zero Kiryu's family also infected him, and he starts to crave blood, much to his horror. See them in Vampire Knight.
V is a violent anarchist with literally nothing left to lose. But, he might have a point. See them in V for Vendetta.
