Because you like Diddy Kong in Donkey Kong
In constant agony, Ava Starr will do anything to give up the superpowers that are slowly killing her. See them in Marvel Cinematic Universe.
A Wakandan spy, Nakia is capable, caring, and just the right amount of stubborn. See them in Marvel Cinematic Universe.
A scary monster on the outside, James P. Sullivan is really a softie on the inside. See them in Monsters, Inc..
Kesuke Miyagi is a karate expert who thinks the best way a scrawny high schooler can learn how to defend himself is by washing every surface in sight. See them in The Karate Kid.
Macbeth was probably named "Most Likely to Kill His Rivals" in his senior yearbook. See them in Macbeth.
This master marksman may be a villain, but Deadshot's motives aren't quite as selfish as they seem. See them in DC Extended Universe.
Hank McCoy is a quintessential nerdy scientist but with a few rather unconventional physical attributes. See them in X-Men Series.
Resourceful and courageous, Chun-Li is dedicated to using her considerable strengths against evil. See them in Street Fighter.
A cursed pirate captain, Barbossa is greedy, vengeful, and surprisingly cheeky. See them in Pirates of the Caribbean: the Curse of the Black Pearl.
Sephiroth wants nothing more than to seize the power of the Lifestream in order to become a god. See them in Final Fantasy Series.