Ironmouse

Ironmouse 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. She is known for her high-profile subathons, musical performances, charity fundraising, and collaborations across gaming and online entertainment. Ironmouse is a prominent advocate for common variable immunodeficiency, the immune disorder she lives with. She has promoted plasma donation, held multiple fundraisers, and served as a spokesperson for the Immune Deficiency Foundation. She has raised over $1 million through independent charity campaigns. She has received multiple industry awards, including Content Creator of the Year at The Game Awards 2023, and is a multi-year winner of Best VTuber at The Streamer Awards. 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. From Wikipedia (https://en.wikipedia.org/wiki/Ironmouse) under Creative Commons Attribution CC-BY-SA 3.0 (http://creativecommons.org/licenses/b...)