Trinity (The Matrix, The Matrix Reloaded, The Matrix Revolutions)
PrinceessLeia (Star Wars: Episode IV - A New Hope, Star Wars: Episode V - The Empire Strikes Back, Star Wars: Episode VI - Return of the Jedi, Star Wars: Episode VII - The Force Awakens, Star Wars: Episode VIII - The Last Jedi)
Joss Whedon does love writing strong women (no comment about anything off screen )
Agreed on both counts.
Let's not forget Echo, November and Whiskey from Dollhouse.