Because you like Xena in Xena Warrior Princess
World domination and Superman's demise are next on Lex Luthor's to-do list. See them in DC Extended Universe.
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.
Kind and friendly, Rinoa Heartilly is nonetheless an effective freedom fighter. See them in Final Fantasy Series.
V is a violent anarchist with literally nothing left to lose. But, he might have a point. See them in V for Vendetta.
Foul mouthed and disturbingly comfortable with violence, Hit-Girl is a precocious assassin who doesn't need anyone's protection. See them in Kick-Ass.
Keren Walker is a socialite looking to avoid work, keep a constant buzz, and be as snarky as possible. See them in Will & Grace.
Kara "Starbuck" Thrace will beat you in cards, drink you under the table, then fly circles around you in her fighter plane. See them in Battlestar Galactica.
Although Morrigan knows every kind of magic there is, friendship is an untested area for her. See them in Dragon Age Series.
A weather-controlling mutant, Storm doesn't just use her powers to ruin Magneto's day with unexpected showers. She is truly a badass. See them in X-Men Series.
Poison Ivy is a seductive, venomous botanist laments the fact that there are so many people to kill, yet so little time. See them in DC Extended Universe.
Daring on a bike but haunted in his personal life, even Johnny Blaze isn't fast enough to outride his past. See them in Ghost Rider.
Lois Lane's journalistic success is the result of her tenacity. She will doggedly pursue her leads until discovering the information she needs. See them in DC Extended Universe.