What is "hsien-ko"

, known in Japan as , is a character from Darkstalkers fighting game franchise. She was introduced in Night Warriors: Darkstalkers' Revenge in 1995. Her character is based on vampires of Chinese folklore known as jiāngshī, into which she was transformed when she was magically merged with her twin sister Mei-Ling , known in Japan as . Together, they fight to free the cursed spirit of their dead mother and to destroy the monsters preying on the people of China.

Hsien-Ko has since become one of the franchise's more popular characters, garnering positive fan and critical reception. She has also appeared on official Darkstalkers merchandise and as a playable character in several games outside the series.