Poison (ポイズン, Poizun) is a fictional character in the Final Fight and Street Fighter series of video games. Created by Akira Yasuda for Capcom, Poison first appeared in the original Final Fight alongside a similar character, Roxy, later appearing in Capcom-produced games, media and merchandise related to the Street Fighter franchise. She is voiced by Atsuko Tanaka since the Street Fighter III series and Masae Yumi in SNK vs. Capcom: SVC Chaos.