Ironmouse (born January 11) is a Puerto Rican VTuber, singer, and Twitch streamer. Active since 2017, she was a founding member of the U.S.-based VTuber agency VShojo and was part of the organization from November 2020 until her departure in July 2025.
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Ironmouse (real name unknown) is the name of a Puerto-Rican American VTuber singer, voice actor, Twitch streamer and YouTube personality. A house-bound sufferer of Common Variable Immune Deficiency (CVID),she began streaming as a means of expression and to feel a sense of connection to others due to her condition, using a virtual avatar to represent her likeness. Originally aspiring to be an operatic singer, she began performing songs on her live streams to her follower <a href="https://www.las
Ironmouse (born January 11) is a Puerto Rican VTuber, singer, and Twitch streamer. Active since 2017, she was a founding member of the U.S.-based VTuber agency VShojo and was part of the organization from November 2020 until her departure in 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; she has promoted plasma donation, and has held fundraisers and served as a spokesperson for the Immune Deficiency Foundation. In 2024, she became the most-subscribed Twitch streamer of all time, surpassing Kai Cenat's first record during a September 2024 subathon, before being surpassed herself by Cenat during a November 2024 subathon.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).