Ironmouse is a Puerto Rican VTuber, singer, and Twitch streamer. Active since 2017, she served as a founding member of the U.S.-based VTuber agency VShojo from November 2020 to July 2025. In her streaming activities, Ironmouse has been a prominent advocate for common variable immunodeficiency (CVID), an immune disorder for which she has received treatment; […]