Because you like Harry Tasker in True Lies
Although Theon Greyjoy is treated well, he's still essentially a hostage. And that isn't so easy for him to forgive. See them in Game of Thrones.
Fate has forced Amuro into the terrors of war, and he must use the Gundam and all of its power if he is to make it out alive. See them in Mobile Suit Gundam Series.
Tony Montana makes up for his language barrier with his immense skill at cursing as loud and effectively as humanly possible. See them in Scarface.
A no-nonsense pro, Agent K has dedicated his whole life to his job. See them in Men in Black.
Simon Belmont is a vampire hunter bravely carrying on the family business. See them in Castlevania.
Tifa Lockhart is part mother hen, part martial arts bad-ass. See them in Final Fantasy Series.
Suzaku Kururugi defeats enemies with his flashy but deadly jump kicks. But he's willing to sacrifice himself for peace. See them in Code Geass.
Phoebe Halliwell is a bestselling author and martial arts master with power of premonitions. See them in Charmed.
Kilgrave is a domineering, abusive boyfriend. Then, add in the power of mind control. See them in Marvel Cinematic Universe.
Don't ask the ruthless queen of the Tokyo underworld any questions unless you're fine with losing a limb. See them in Kill Bill vol. 1.
Crono may not talk, but this time-traveling hero's heart speaks volumes. See them in Chrono Trigger.