Complex sentence: Since them, she has also appeared in multiple video games outside of the "Darkstalkers" franchise, and is widely perceived as the most popular "Darkstalkers" character and one of flagship Capcom characters.
Split into simpler sentences: Since them, she has also appeared in multiple video games outside of the "Darkstalkers" franchise. She is widely perceived as the most popular "Darkstalkers" character and one of flagship Capcom characters.